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Sunday, 28 June 2026

Awesome-Kitmul

 

 Awesome

A curated list of 475+ free, privacy-first browser tools that run entirely on your device. No sign-up, no file uploads, no servers.

Kitmul is an open collection of client-side tools powered by JavaScript, WebAssembly, and on-device AI. Every tool runs in your browser; your data never leaves your device.

Available in English, Spanish, French, and German.

Contents

Agile & Project Management

Tool Description i18n
Backlog Arrival Rate Forecaster Forecast future backlog arrival rates using seasonal decomposition with linear trend analysis. ES · FR · DE
Capability Gap Analyzer Map team skills against future needs, calculate risk scores, and identify training priorities. ES · FR · DE
Cumulative Flow Diagram (CFD) Generator Create cumulative flow diagrams to visualize workflow stages and track lead time, throughput, and WIP. ES · FR · DE
Daily Standup Timer Run timed standups with automatic speaker rotation and randomized order. ES · FR · DE
Eisenhower Matrix Prioritize your tasks by urgency and importance with the Eisenhower Matrix (Time Management Matrix). ES · FR · DE
Fishbone (Ishikawa) Diagram Builder Build visual Ishikawa/Fishbone cause-and-effect diagrams to identify root causes of problems. ES · FR · DE
Interactive RACI Matrix Generator Create a RACI responsibility assignment matrix with color-coded cells and validation. ES · FR · DE
Kano Model Analysis Classify product features into Must-be, Performance, Attractive, and Indifferent categories. ES · FR · DE
Lean Canvas Generator Build a complete Lean Canvas with the classic 9-block layout. Auto-saves and exports to JSON. ES · FR · DE
LinkRoutine: URL-Persistent Planner Weekly planner that stores all your tasks in the URL. No database, no local storage, 100% shareable. ES · FR · DE
Meeting Cost Calculator Calculate the real-time cost of meetings with a live timer based on attendee count and hourly rates. ES · FR · DE
Monte Carlo Delivery Forecaster Use Monte Carlo simulation to forecast project delivery dates based on historical throughput data. ES · FR · DE
MoSCoW Prioritization Categorize your requirements into Must-have, Should-have, Could-have, and Won't-have. ES · FR · DE
OKRs (Objectives & Key Results) Tracker Track your Objectives and Key Results with progress bars, status indicators, and automatic progress calculations. ES · FR · DE
P2P Scrum Poker Deck Real-time, serverless Scrum Poker for agile teams using WebRTC. ES · FR · DE
Pomodoro Timer Customizable Pomodoro timer designed for agile workflows, sprints, and deep focus sessions. ES · FR · DE
RICE Scoring Model Prioritize your product backlog using the RICE framework (Reach, Impact, Confidence, Effort). ES · FR · DE
Seasonal Capacity Planner Plan team capacity across seasons by combining throughput, team size, and seasonal factors. ES · FR · DE
Six Dimensions of Performance Radar Assess team performance across Quality, Responsiveness, Predictability, Productivity, Flow, and Value. ES · FR · DE
Sprint Capacity Calculator Calculate your team's real capacity for the next sprint based on individual availability, focus factor, and days off. ES · FR · DE
Team Formation Optimizer Build balanced, resilient teams by optimizing skill coverage and distribution. ES · FR · DE
Team Health Radar Generator Visualize team health with a radar/spider chart. Score dimensions, track trends over time, and export as PNG or JSON. ES · FR · DE
User Story Mapping Canvas Create visual user story maps with activities, tasks, and stories organized by release. ES · FR · DE
WIP Age Chart Visualize work-in-progress aging across workflow stages with color-coded age buckets. ES · FR · DE
WSJF Calculator (Weighted Shortest Job First) Prioritize your backlog using the WSJF model to maximize value delivery and minimize the cost of delay. ES · FR · DE

AI-Powered Tools

Tool Description i18n
AI Content Detector Detect AI-generated content by analyzing perplexity, burstiness, and writing patterns. ES · FR · DE
AI Prompt Generator Create detailed prompts for AI image generators like Midjourney and Stable Diffusion. ES · FR · DE
Automatic Subtitle Generator Generate synchronized subtitles for your videos using local AI. 100% private. ES · FR · DE
Background Remover Remove image backgrounds instantly in your browser using AI. ES · FR · DE
Depth Estimation from Image Generate a depth map from any photo using AI. Visualize how far objects are from the camera with colorized depth maps. ES · FR · DE
Keyword Extractor Extract the most important words and phrases from your text. ES · FR · DE
PII Redactor Automatically detect and redact Personal Identifiable Information from text. ES · FR · DE
Pose Break Coach (PoseNet) Neck mobility mini-game controlled by your body movement with PoseNet. ES · FR · DE
Sentiment Analyzer Analyze toxicity and tone of your text (Insults, Threats, Toxicity, etc). ES · FR · DE
Syllable Counter & Analyzer Count syllables in text with per-word breakdown and distribution analysis. ES · FR · DE
Text Readability Scorer Analyze text readability with Flesch, Gunning Fog, and Coleman-Liau scores. ES · FR · DE
Text Tone Analyzer Analyze the tone and mood of your text using lexicon-based detection. ES · FR · DE
ATS Resume Analyzer Score your resume against a job description with keyword matching, format analysis, and actionable improvement suggestions. ES · FR · DE
Colorize Black and White Images Automatically add realistic color to grayscale photos using AI with before/after comparison and intensity control. ES · FR · DE
Object Detector Detect and label objects in images using AI with bounding boxes, confidence scores, and JSON export. ES · FR · DE

Unit Converters

Tool Description i18n
Angle Converter Convert between degrees, radians, and other angle units. ES · FR · DE
Area Converter Convert between square meters, acres, and other area units. ES · FR · DE
Digital Storage Converter Convert between Bytes, KB, MB, GB, TB and other digital units. ES · FR · DE
Energy Converter Convert between Joules, Calories, and other energy units. ES · FR · DE
Km ↔ Miles Converter Quickly convert between Kilometers and Miles with high precision in real-time. ES · FR · DE
Km ↔ Miles Converter Convert Kilometers to Miles and vice-versa instantly. ES · FR · DE
Length Converter Convert between meters, feet, inches, and other length units. ES · FR · DE
Power Converter Convert between Watts, Horsepower, and other power units. ES · FR · DE
Pressure Converter Convert between Pascal, Bar, PSI, and other pressure units. ES · FR · DE
Speed Converter Convert between different speed units like km/h, mph, and knots. ES · FR · DE
Temperature Converter Convert between Celsius, Fahrenheit, and Kelvin instantly. ES · FR · DE
Time Converter Convert between seconds, minutes, hours, days, and other time units. ES · FR · DE
Torque Converter Convert between Newton-meters, foot-pounds, and other torque units. ES · FR · DE
Volume Converter Convert between liters, gallons, cubic meters, and other volume units. ES · FR · DE
Weight & Mass Converter Convert between kilograms, pounds, ounces, and other weight units. ES · FR · DE

Data Converters

Tool Description i18n
CSV Column Extractor Extract specific columns from CSV data by selecting which ones to keep. ES · FR · DE
CSV to Impex Converter Turn a CSV export into a ready-to-run SAP Hybris Impex script with the mode and unique column of your choice. ES · FR · DE
CSV to JSON Convert CSV data to JSON format and vice-versa. ES · FR · DE
CSV to XML Convert CSV data to XML format and vice versa instantly. ES · FR · DE
Excel to JSON Convert Excel spreadsheets (.xlsx, .xls) to JSON data instantly. ES · FR · DE
Impex Macro Expander Resolve every $macro reference in an Impex script and emit a fully inlined version safe to review and audit. ES · FR · DE
Impex Table Editor Parse an Impex block into an editable spreadsheet grid, tweak rows in place, and re-emit a clean Impex script. ES · FR · DE
Impex to CSV Converter Turn any SAP Hybris Impex block into a clean CSV file ready for spreadsheets or ETL pipelines. ES · FR · DE
Impex to JSON Converter Parse any SAP Hybris Impex into structured JSON blocks with headers, modifiers, rows, and macros preserved. ES · FR · DE
Impex to SQL (Approximate) Translate a SAP Hybris Impex into approximate SQL INSERT / UPDATE / DELETE statements in Postgres, MySQL, or ANSI-standard dialects. ES · FR · DE
Impex Validator / Linter Lint a SAP Hybris Impex script for missing headers, unknown modifiers, duplicate unique keys, and undefined macros. ES · FR · DE
JSON Diff Tool Compare two JSON objects side by side and highlight differences. ES · FR · DE
JSON to HTML Table Convert JSON data into a clean, visual HTML table and get the code. ES · FR · DE
JSON to Impex Converter Rebuild a SAP Hybris Impex script from a JSON document containing blocks, headers, modifiers, rows, and macros. ES · FR · DE
JSON Validator & Lint Validate JSON syntax, find errors with line numbers, and pretty-print your data. ES · FR · DE
SQL Insert Generator Convert JSON or CSV data into SQL INSERT statements instantly. ES · FR · DE
XML to JSON Convert XML data to JSON format and vice-versa. ES · FR · DE
YAML to JSON Convert YAML data to JSON and vice versa instantly. ES · FR · DE

Data & Coding Utilities

Tool Description i18n
Atbash Cipher Encode and decode text using the Atbash cipher that reverses the alphabet. ES · FR · DE
Base Converter (2-64) Convert numbers between any base from 2 to 64. ES · FR · DE
Base32 Encoder/Decoder Encode text to Base32 or decode Base32 back to text using RFC 4648. ES · FR · DE
Binary ↔ String Converter Convert between binary code and plain text. ES · FR · DE
Empty Line Remover Remove all empty or blank lines from text. ES · FR · DE
Hex ↔ String Converter Convert between hexadecimal and plain text. ES · FR · DE
Line Sorter Sort lines of text alphabetically, numerically, by length, etc. ES · FR · DE
ROT13/ROT47 Encoder Apply ROT13 or ROT47 cipher to encode and decode text instantly. ES · FR · DE
Text ↔ Decimal Converter Convert between decimal code and plain text. ES · FR · DE
Text ↔ Octal Converter Convert between octal code and plain text. ES · FR · DE
Fake Data Generator Generate realistic mock data for testing with multiple schemas and export formats. ES · FR · DE
Image to Base64 Convert images to Base64 with multiple output formats: data URI, CSS, HTML, and Markdown. ES · FR · DE
JSON to CSV Transform JSON data into CSV format with nested object flattening and table preview. ES · FR · DE
Markdown Table Generator Create markdown tables with an interactive grid editor, column alignment, and CSV import. ES · FR · DE

Date & Time

Tool Description i18n
Add or Subtract Days from Date Easily add or subtract days, weeks, months, or years from any given date. ES · FR · DE
Age Calculator Calculate your exact age in years, months, weeks, days, hours, and minutes. ES · FR · DE
Astronomic Clock Visualize solar, lunar, and celestial time with stunning precision. ES · FR · DE
Business Days Calculator Calculate the number of working days between two dates, excluding weekends. ES · FR · DE
Countdown Timer Multiple simultaneous countdown timers with visual progress indicators. ES · FR · DE
Date Difference Calculator Calculate the exact duration between two dates. ES · FR · DE
Leap Year Checker Quickly check if a year is a leap year and see when the next one will be. ES · FR · DE
Seconds to H:M:S Converter Convert seconds to hours, minutes, seconds and vice versa. ES · FR · DE
Stopwatch & Lap Timer A simple and precise stopwatch with lap timing. ES · FR · DE
Unix Timestamp Converter Convert Unix timestamps to human-readable dates and vice versa. ES · FR · DE
Week Number Calculator Find the ISO 8601 and US week number for any date. ES · FR · DE

Design & CSS

Tool Description i18n
Accessibility Tree Visualizer Visualize how HTML maps to an accessibility tree and compare inaccessible vs semantic markup side by side. ES · FR · DE
Button CSS Generator Generate custom CSS button styles visually ES · FR · DE
Color Picker Pick any color and instantly convert between HEX, RGB, HSL, CMYK, and Tailwind CSS classes. ES · FR · DE
CSS Border Radius Generator Generate CSS border-radius with visual editor ES · FR · DE
CSS Box Shadow Generator Generate CSS box-shadow with visual editor ES · FR · DE
CSS Clip-path Maker Build custom CSS clip-path shapes visually with an interactive editor and live preview. ES · FR · DE
CSS Flexbox Guide Visually build and experiment with CSS Flexbox layouts, then export production-ready CSS code. ES · FR · DE
CSS Gradient Generator Create linear, radial, and conic CSS gradients ES · FR · DE
CSS Grid Generator Create responsive CSS grid layouts visually with customizable columns, rows, gap, and preset templates. ES · FR · DE
CSS Text Shadow Generator Create CSS text-shadow effects with visual editor ES · FR · DE
Glassmorphism Generator Generate glassmorphism frosted glass CSS effects ES · FR · DE
Color Contrast Checker (WCAG) Check WCAG 2.1 color contrast ratios with AA/AAA pass/fail badges and live preview. ES · FR · DE
SVG Wave & Blob Generator Create SVG wave dividers and organic blob shapes with customizable layers, colors, and export options. ES · FR · DE

Developer & Programming

Tool Description i18n
Base64 Encoder/Decoder Encode and decode text to Base64 format. ES · FR · DE
Chmod Calculator Calculate Linux file permissions easily. ES · FR · DE
Hreflang Checker Validate hreflang tags for international SEO. Check language codes, region codes, and x-default. ES · FR · DE
HTML Entity Converter Convert special characters to HTML entities. ES · FR · DE
HTTP Status Codes Quick reference for HTTP response codes. ES · FR · DE
Infrastructure Diagram Design and visualize infrastructure architecture with an interactive isometric diagram editor. ES · FR · DE
JS Key Code Finder Find JavaScript event key codes instantly. ES · FR · DE
JSON to TypeScript Generate TypeScript interfaces from any JSON data instantly. ES · FR · DE
JSON Formatter Format, validate, and minify your JSON data. ES · FR · DE
Meta Tag Inspector Paste HTML and get a detailed analysis of all meta tags, Open Graph, Twitter Card, and SEO signals. ES · FR · DE
Mime Type Lookup Lookup MIME types for file extensions. ES · FR · DE
Regex Tester Test regex patterns against text and get plain English explanations of each token. ES · FR · DE
Robots.txt Validator Validate your robots.txt file for syntax errors and SEO best practices. ES · FR · DE
Secure Password Generator Generate strong, random passwords for your accounts. ES · FR · DE
Sitemap Validator Validate XML sitemap syntax, check URL structure, and verify compliance with the sitemaps.org protocol. ES · FR · DE
Source Map Unpacker Extract source files from a .map file and download as ZIP. ES · FR · DE
URL Encoder/Decoder Safely encode or decode URLs for all browsers. ES · FR · DE
UUID/GUID Generator Generate secure UUIDs (v1, v4, v7) instantly. ES · FR · DE
Crontab Generator Build cron expressions visually with presets, human-readable explanations, and next run previews. ES · FR · DE
Docker Compose Generator Build docker-compose.yml visually with service templates for Postgres, Redis, MongoDB, and more. ES · FR · DE
Gitignore Generator Create .gitignore files by selecting from language, framework, IDE, and OS templates. ES · FR · DE
HTML to JSX Converter Convert HTML to React JSX with automatic attribute conversion. ES · FR · DE
SQL Formatter Format, beautify, and minify SQL queries with multi-dialect support. ES · FR · DE

Education & Science

Tool Description i18n
Balance Chemical Equations Balance chemical equations with step-by-step atom counting. ES · FR · DE
DNA to RNA & Protein Transcribe DNA to RNA and translate it into a protein sequence. ES · FR · DE
Ideal Gas Law Calculator Calculate pressure, volume, moles, or temperature of an ideal gas using PV = nRT. ES · FR · DE
Interactive Periodic Table Explore chemical elements with an interactive periodic table. ES · FR · DE
Molar Mass Calculator Calculate the molar mass of any chemical formula instantly. ES · FR · DE
Molarity Calculator Calculate molarity, moles, and volume for chemical solutions. ES · FR · DE
Multiplication Table Generate and print custom multiplication tables. ES · FR · DE
Ohm's Law Calculator Calculate voltage, current, resistance, and power using Ohm's Law with an interactive circuit diagram. ES · FR · DE
Ohm's Law Calculator Calculate voltage, current, resistance, and power using Ohm's Law. ES · FR · DE
pH Calculator Calculate pH, pOH, and concentrations of ions in any solution. ES · FR · DE
Projectile Motion Calculator Calculate and visualize projectile trajectories with different gravity conditions. ES · FR · DE
Roman Numerals Converter Convert decimal numbers to Roman numerals and vice versa. ES · FR · DE
Scientific Notation Converter Convert between standard decimal and scientific notation effortlessly. ES · FR · DE
Significant Figures Calculator Identify significant digits and round numbers with precision. ES · FR · DE
Stoichiometry Calculator Calculate reactant and product amounts from balanced chemical equations. ES · FR · DE

Everyday & Practical

Tool Description i18n
Battery Life Calculator Calculate battery life from capacity and consumption. ES · FR · DE
Cooking Conversion Calculator Convert between cooking measurements including volume, weight, and temperature. ES · FR · DE
Dice Roller Roll one or multiple virtual dice for games. ES · FR · DE
Dog Age Calculator Convert your dog's age to human years using the modern veterinary formula. ES · FR · DE
Electricity Cost Calculator Estimate your electricity costs by device and usage ES · FR · DE
GPA Calculator Calculate your Grade Point Average on a 4.0 scale ES · FR · DE
Grade Calculator Calculate your weighted grade average from assignments and weights. ES · FR · DE
Paint Calculator Calculate how many gallons of paint you need for your walls. ES · FR · DE
Recipe Scaler Scale recipe ingredients for any number of servings. ES · FR · DE
Road Trip Cost Calculator Estimate fuel and travel costs for your road trip. ES · FR · DE
Solar Panel Calculator Calculate how many solar panels you need. ES · FR · DE
Speed Distance Time Calculator Calculate speed, distance, or time given any two values with unit conversions. ES · FR · DE
Square Footage Calculator Calculate room and property area in square feet or meters. ES · FR · DE
Tile Calculator Calculate how many tiles you need for your project. ES · FR · DE
Time Card Calculator Calculate weekly work hours from clock-in and clock-out times. ES · FR · DE
Tip Calculator Calculate the tip and split the bill among friends. ES · FR · DE

Finance & Business

Tool Description i18n
Budget Planner (50/30/20) Plan your monthly budget using the 50/30/20 rule with customizable categories and expense tracking. ES · FR · DE
Burn Rate / Runway Calculator Calculate your startup's monthly burn rate, net burn, and cash runway with month-by-month projections. ES · FR · DE
Cash Change Calculator Calculate the exact change to return in bills and coins for any currency. ES · FR · DE
Credit Card Payoff Calculator Calculate how long it takes to pay off your credit card and how much interest you'll pay. ES · FR · DE
DCA Calculator (Investment Optimizer) Optimize your recurring investments using a Softmax-based allocation strategy. ES · FR · DE
Debt Snowball Calculator Compare snowball and avalanche debt payoff strategies to find your fastest path to financial freedom. ES · FR · DE
Discount Calculator Calculate the final price after applying a discount. ES · FR · DE
FIRE Number Calculator Calculate your Financial Independence, Retire Early (FIRE) number and timeline. ES · FR · DE
Inflation Calculator Calculate how inflation affects purchasing power over time with historical and custom rates. ES · FR · DE
Interest Calculator Calculate simple and compound interest easily. ES · FR · DE
Invoice Generator Create professional invoices with multiple templates. Add line items, taxes, and discounts. Download as PDF instantly. ES · FR · DE
Job Offer Comparison Compare multiple job offers side by side with weighted scoring to find the best overall package. ES · FR · DE
Loan Payoff Calculator Determine how long it will take to pay off your loan and the total interest you will pay. ES · FR · DE
Loan Payoff Calculator Find out when your loan will be paid off. ES · FR · DE
Margin & Markup Calculator Calculate profit margin and markup for your products. ES · FR · DE
Mortgage Calculator Calculate your monthly mortgage payments with ease. ES · FR · DE
Net Worth Calculator Calculate your net worth by tracking assets and liabilities. ES · FR · DE
Retirement Planner Plan your retirement savings with projected growth, contribution tracking, and year-by-year breakdown. ES · FR · DE
ROI Calculator Calculate your return on investment easily. ES · FR · DE
Salary After Tax Calculator Calculate your net pay after taxes and deductions with customizable progressive tax brackets. ES · FR · DE
Subscription Overload Finder Track recurring subscriptions, see total costs, and find potential savings. ES · FR · DE
Tip Calculator Calculate the tip and split the bill among friends. ES · FR · DE
VAT Calculator Calculate VAT (Value Added Tax) for any amount and rate. ES · FR · DE
Currency Converter Convert between 50+ world currencies with live exchange rates. ES · FR · DE

Health & Wellness

Tool Description i18n
4-7-8 Breathing Timer Guided breathing exercise with animated circle, progressive difficulty, and streak tracking. ES · FR · DE
BMI Calculator Calculate your Body Mass Index and health category ES · FR · DE
BMR Calculator Calculate your Basal Metabolic Rate and daily calorie needs ES · FR · DE
Blood Alcohol Calculator Estimate BAC with multi-drink timeline, Watson formula, and safe-to-drive countdown. ES · FR · DE
Body Fat Calculator Calculate body fat percentage using the U.S. Navy method ES · FR · DE
Caffeine Half-Life Calculator Track caffeine decay over 24 hours and find safe sleep time ES · FR · DE
Calories Burned Calculator Compare calories burned across activities with MET data and food equivalents. ES · FR · DE
Heart Rate Zones Calculator Calculate your 5 heart rate training zones based on age ES · FR · DE
Ideal Weight Calculator Find your ideal body weight using five scientific formulas with metric and imperial support. ES · FR · DE
Intermittent Fasting Timer Track fasting with protocol selection, stage visualization, and streak tracking. ES · FR · DE
Keto Macro Calculator Calculate keto macros with workout/rest day toggle and net carbs tracking. ES · FR · DE
Macro Calculator Calculate daily macronutrient targets based on your TDEE, fitness goal, and preferred diet style. ES · FR · DE
One-Rep Max Calculator Estimate your 1RM using 5 formulas with training load table and plate calculator. ES · FR · DE
Pregnancy Due Date Calculator Calculate your due date with multiple methods and trimester milestone timeline. ES · FR · DE
Sleep Cycle Calculator Calculate optimal bedtime and wake time based on 90-minute sleep cycles. ES · FR · DE
TDEE Calculator Calculate your Total Daily Energy Expenditure using the Mifflin-St Jeor equation with activity multipliers. ES · FR · DE
Stress Level Test (PSS-10) Measure perceived stress with the validated PSS-10 questionnaire and subscale analysis. ES · FR · DE
Waist-to-Hip Ratio Calculator Calculate WHR with WHO risk classification and waist circumference assessment. ES · FR · DE
Water Intake Calculator Calculate your recommended daily water intake ES · FR · DE
Typing Speed Test Measure WPM, accuracy, and consistency with timed typing tests. ES · FR · DE

Image & Design Tools

Tool Description i18n
Barcode Generator Create barcodes in Code 128, EAN-13, UPC-A, Code 39, and more formats. ES · FR · DE
ASE to CSS Color Palette Convert Adobe ASE swatch files to CSS custom properties, SASS, LESS, or Tailwind config. ES · FR · DE
ASE to GPL Palette Converter Convert Adobe ASE swatch files to GIMP GPL palette format. ES · FR · DE
AVIF to BMP Converter Convert AVIF images to uncompressed BMP format for legacy systems and raw pixel access. ES · FR · DE
AVIF to GIF Converter Convert AVIF images to GIF format for email signatures, forums, and legacy platforms. ES · FR · DE
AVIF to ICO Converter Convert AVIF images to ICO format for website favicons and Windows application icons. ES · FR · DE
AVIF to JPG Converter Convert AVIF images to widely compatible JPG format for sharing and printing. ES · FR · DE
AVIF to PDF Converter Convert AVIF images to professional PDF documents for printing and archival. ES · FR · DE
AVIF to PNG Converter Convert AVIF images to universally compatible PNG format with full transparency support. ES · FR · DE
AVIF to WebP Converter Convert AVIF images to WebP format for broad browser support and efficient web delivery. ES · FR · DE
Aspect Ratio Calculator Calculate dimensions and ratios for images, videos, and screens accurately. ES · FR · DE
Base64 to Image Convert Base64 strings to images and vice versa instantly. ES · FR · DE
BMP to AVIF Converter Convert BMP images to AVIF for dramatic file size reduction from uncompressed bitmaps. ES · FR · DE
BMP to GIF Converter Convert BMP images to GIF format instantly in your browser to reduce file size or add format support. ES · FR · DE
BMP to PDF Converter Convert BMP images to PDF format instantly in your browser to reduce file size or add format support. ES · FR · DE
BMP to SVG Converter Vectorize BMP images to SVG format in your browser using vtracer. Convert raster bitmaps to scalable vector graphics. ES · FR · DE
Color Palette Extractor Extract beautiful color palettes from any image automatically. ES · FR · DE
Compress GIF Reduce GIF file size while maintaining quality online. ES · FR · DE
Compress JPEG Reduce JPEG file size while maintaining quality online. ES · FR · DE
Compress PNG Reduce PNG file size while maintaining quality online. ES · FR · DE
Compress WEBP Reduce WEBP file size while maintaining quality online. ES · FR · DE
Favicon Generator Create a complete set of favicons for your website from any image instantly. ES · FR · DE
Flyer & Poster Maker Design eye-catching flyers and posters with customizable templates, text, shapes, and images. ES · FR · DE
GIF to BMP Converter Convert GIF images to BMP format instantly in your browser to reduce file size or add format support. ES · FR · DE
GIF to JPEG Converter Convert GIF images to JPEG format instantly in your browser to reduce file size or add format support. ES · FR · DE
GIF to PDF Converter Convert GIF images to PDF format instantly in your browser to reduce file size or add format support. ES · FR · DE
GIF to PNG Converter Convert GIF images to PNG format instantly in your browser to reduce file size or add format support. ES · FR · DE
GIF to WebP Converter Convert GIF images to WebP format instantly in your browser to reduce file size or add format support. ES · FR · DE
ICO to AVIF Converter Convert ICO icon files to AVIF for efficient web display and compact storage. ES · FR · DE
ICO to GIF Converter Convert ICO images to GIF format instantly in your browser to reduce file size or add format support. ES · FR · DE
Image Compressor Reduce image file size while maintaining quality directly in your browser. ES · FR · DE
Image Cropper Crop your images to any size or shape easily and securely in your browser. ES · FR · DE
Image Flip & Rotate Rotate images by any angle and flip them horizontally or vertically. ES · FR · DE
Image Format Converter Convert images between PNG, JPG, and WebP formats instantly in your browser. ES · FR · DE
Image Enhancer Enhance and upscale images using Swin2SR AI super-resolution. ES · FR · DE
Image Resizer Resize single or multiple images to custom dimensions in bulk. ES · FR · DE
Interactive 360 Photo Viewer Upload and explore equirectangular 360 photos in an interactive 3D panorama viewer. ES · FR · DE
Image Watermark Remover Remove watermarks from images using AI-powered inpainting. ES · FR · DE
JPEG to AVIF Converter Convert JPEG photos to AVIF for superior compression and faster web loading. ES · FR · DE
JPEG to GIF Converter Convert JPEG images to GIF format instantly in your browser to reduce file size or add format support. ES · FR · DE
JPEG to WebP Converter Convert JPEG images to WebP format instantly in your browser to reduce file size or add format support. ES · FR · DE
JPG to PDF Converter Convert JPG or JPEG photos into a PDF file in seconds. ES · FR · DE
JPG to PNG Converter Convert JPG images to PNG to preserve quality or add transparency. ES · FR · DE
License Plate Blur Blur and anonymize vehicle license plates in images using AI. ES · FR · DE
LinkedIn Banner Builder Create professional LinkedIn banners with the perfect 1584×396 dimensions. ES · FR · DE
Meme Generator Create classic memes with custom top and bottom text instantly. ES · FR · DE
PDF to AVIF Converter Convert PDF pages to compact AVIF images for web previews and social sharing. ES · FR · DE
PDF to GIF Converter Convert PDF images to GIF format instantly in your browser to reduce file size or add format support. ES · FR · DE
PDF to JPEG Converter Convert PDF images to JPEG format instantly in your browser to reduce file size or add format support. ES · FR · DE
PDF to PNG Converter Extract pages from a PDF file as high-quality PNG images. ES · FR · DE
PDF to WebP Converter Convert PDF images to WebP format instantly in your browser to reduce file size or add format support. ES · FR · DE
PNG to AVIF Converter Convert PNG images to AVIF for 30-50% smaller files with identical visual quality. ES · FR · DE
PNG to GIF Converter Convert PNG images to GIF format instantly in your browser to reduce file size or add format support. ES · FR · DE
PNG to JPG Converter Convert PNG images to JPG format for smaller file sizes. ES · FR · DE
PNG to PDF Converter Convert your PNG images into a PDF document online for free. ES · FR · DE
PNG to SVG Converter Vectorize PNG images to SVG format in your browser using vtracer. Convert raster graphics to scalable vector art. ES · FR · DE
PNG to WebP Converter Convert PNG images to WebP for better web performance. ES · FR · DE
QR Code Generator & Scanner Create custom QR codes and scan existing ones instantly in your browser. ES · FR · DE
PSD Layer Extractor Extract and download individual layers from Photoshop PSD files. ES · FR · DE
PSD to PNG Converter Convert Photoshop PSD files to PNG with optional layer export. ES · FR · DE
PSD to SVG Converter Convert Photoshop PSD files to scalable SVG vector format. ES · FR · DE
SVG to AVIF Converter Convert SVG vector graphics to compact AVIF raster images for web and social media. ES · FR · DE
SVG to BMP Converter Convert SVG images to BMP format instantly in your browser to reduce file size or add format support. ES · FR · DE
SVG to GIF Converter Convert SVG images to GIF format instantly in your browser to reduce file size or add format support. ES · FR · DE
SVG to JPEG Converter Convert SVG images to JPEG format instantly in your browser to reduce file size or add format support. ES · FR · DE
SVG to PDF Converter Convert SVG images to PDF format instantly in your browser to reduce file size or add format support. ES · FR · DE
SVG to PNG Converter Convert vector SVG files to raster PNG images instantly. ES · FR · DE
SVG to WebP Converter Convert SVG images to WebP format instantly in your browser to reduce file size or add format support. ES · FR · DE
T-Shirt Mockup Generator (3D Preview) Preview your design on a 3D t-shirt you can rotate, zoom, and recolor. Upload artwork and export as PNG. ES · FR · DE
Texture Preview (KTX2 / DDS to PNG) Preview KTX2 and DDS GPU texture files in your browser and download them as PNG. Supports Basis Universal and BC1-BC7. ES · FR · DE
Watermark Generator Add text watermarks to your photos easily and securely in your browser. ES · FR · DE
WebP to AVIF Converter Convert WebP images to AVIF for next-generation compression and HDR support. ES · FR · DE
WebP to GIF Converter Convert WebP images to GIF format instantly in your browser to reduce file size or add format support. ES · FR · DE
WebP to JPEG Converter Convert WebP images to JPEG format instantly in your browser to reduce file size or add format support. ES · FR · DE
WebP to PDF Converter Convert WebP images to PDF format instantly in your browser to reduce file size or add format support. ES · FR · DE
WebP to PNG Converter Convert WebP images to standard PNG format with transparency. ES · FR · DE
XD to SVG Converter Convert Adobe XD files to SVG format for web and design use. ES · FR · DE

Math & Calculators

Tool Description i18n
Absolute Value Calculator Find the absolute value (magnitude) of any number. ES · FR · DE
Average Calculator Calculate arithmetic, geometric, and harmonic mean of a set of numbers. ES · FR · DE
Factorial Calculator Calculate the factorial of a non-negative integer. ES · FR · DE
Fibonacci Sequence Generator Generate a sequence of Fibonacci numbers up to a specified term. ES · FR · DE
Fraction Calculator Perform addition, subtraction, multiplication, and division of fractions. ES · FR · DE
GCD & LCM Calculator Calculate the Greatest Common Divisor and Least Common Multiple of two numbers. ES · FR · DE
Modulo Calculator Calculate the remainder of a division (A mod B) instantly. ES · FR · DE
Palindrome Number Checker Check if a number reads the same forwards and backwards. ES · FR · DE
Percentage Calculator Calculate percentages, percentage change, and what percentage X is of Y instantly. ES · FR · DE
Percentage Calculator Quickly calculate percentages and percentage changes. ES · FR · DE
Percentage Change Calculator Calculate the percentage increase or decrease between two values. ES · FR · DE
Prime Number Checker Check if a number is prime and find its prime factorization. ES · FR · DE
Quadratic Equation Solver Solve quadratic equations of the form ax² + bx + c = 0. ES · FR · DE
Random Number Generator Generate random numbers within a specified range. ES · FR · DE
Ratio Calculator Simplify ratios and convert them to their simplest form. ES · FR · DE
Reverse Number Reverse the digits of any integer instantly. ES · FR · DE
Rule of Three Calculator Solve direct and inverse proportions easily. ES · FR · DE
Slope Calculator Calculate the slope, angle, and distance between two points. ES · FR · DE
Statistics Calculator Calculate mean, median, mode, standard deviation, and more for a set of numbers. ES · FR · DE
Sum of Digits Calculate the sum of all digits in a number. ES · FR · DE

Music & Audio

Tool Description i18n
AAC to FLAC Converter Convert AAC audio files to FLAC format online for free. ES · FR · DE
AAC to M4A Converter Convert AAC audio files to M4A format online for free. ES · FR · DE
AAC to MP3 Converter Convert AAC audio files to MP3 format online for free. ES · FR · DE
AAC to OGG Converter Convert AAC audio files to OGG format online for free. ES · FR · DE
AAC to WAV Converter Convert AAC audio files to WAV format online for free. ES · FR · DE
Audio Format Converter Convert audio files between MP3, WAV, OGG, M4A, FLAC and AAC formats instantly in your browser. ES · FR · DE
ADSR Envelope Designer Design Attack-Decay-Sustain-Release envelopes with real-time visualization and audio preview. ES · FR · DE
Audio Stem Splitter Split any audio file into separate stems locally in your browser. ES · FR · DE
Audio Trimmer Clip and trim audio files directly in your browser with high precision. ES · FR · DE
Binaural Beats Generator Generate custom binaural beats for focus, sleep, and meditation. ES · FR · DE
BPM & Key Detector Real-time analyzer via microphone or file upload. ES · FR · DE
Chiptune (8-bit) Sound Creator Create retro 8-bit chiptune sounds with a step sequencer and waveform selector. ES · FR · DE
Circle of Fifths Interactive circle of fifths to understand harmonic relationships, find related chords, and improve your compositions. ES · FR · DE
FLAC to AAC Converter Convert FLAC audio files to AAC format online for free. ES · FR · DE
FLAC to M4A Converter Convert FLAC audio files to M4A format online for free. ES · FR · DE
FLAC to MP3 Converter Convert FLAC audio files to MP3 format online for free. ES · FR · DE
FLAC to OGG Converter Convert FLAC audio files to OGG format online for free. ES · FR · DE
FLAC to WAV Converter Convert FLAC audio files to WAV format online for free. ES · FR · DE
Loop Music Creator Browser-based DAW for creating music with loops. Drum step sequencers, synth piano rolls, master effects, and WAV export. ES · FR · DE
M4A to AAC Converter Convert M4A audio files to AAC format online for free. ES · FR · DE
M4A to FLAC Converter Convert M4A audio files to FLAC format online for free. ES · FR · DE
M4A to MP3 Converter Convert M4A audio files to MP3 format online for free. ES · FR · DE
M4A to OGG Converter Convert M4A audio files to OGG format online for free. ES · FR · DE
M4A to WAV Converter Convert M4A audio files to WAV format online for free. ES · FR · DE
MP3 to AAC Converter Convert MP3 audio files to AAC format online for free. ES · FR · DE
MP3 to FLAC Converter Convert MP3 audio files to FLAC format online for free. ES · FR · DE
MP3 to M4A Converter Convert MP3 audio files to M4A format online for free. ES · FR · DE
MP3 to OGG Converter Convert MP3 audio files to OGG format online for free. ES · FR · DE
MP3 to WAV Converter Convert MP3 audio files to WAV format online for free. ES · FR · DE
Music Scale Library Explore a comprehensive collection of musical scales. Select a root note and listen to how each scale sounds. ES · FR · DE
Noise Generator Generate white, pink, and brown noise for testing, relaxation, or sound design. ES · FR · DE
OGG to AAC Converter Convert OGG audio files to AAC format online for free. ES · FR · DE
OGG to FLAC Converter Convert OGG audio files to FLAC format online for free. ES · FR · DE
OGG to M4A Converter Convert OGG audio files to M4A format online for free. ES · FR · DE
OGG to MP3 Converter Convert OGG audio files to MP3 format online for free. ES · FR · DE
OGG to WAV Converter Convert OGG audio files to WAV format online for free. ES · FR · DE
Polyrhythm Metronome Practice complex polyrhythms with visual and audio feedback. Supports ratios like 3:4, 5:4, and more. ES · FR · DE
Sine Wave Sweep Generator Generate frequency sweeps for testing speakers and headphones. ES · FR · DE
Tempo Tapper Calculate BPM instantly by tapping along to any rhythm. ES · FR · DE
Vocal Remover Remove vocals from any song and get the instrumental track using AI. ES · FR · DE
Voice Noise Remover Remove background noise from voice recordings using AI, 100% in your browser. ES · FR · DE
WAV to AAC Converter Convert WAV audio files to AAC format online for free. ES · FR · DE
WAV to FLAC Converter Convert WAV audio files to FLAC format online for free. ES · FR · DE
WAV to M4A Converter Convert WAV audio files to M4A format online for free. ES · FR · DE
WAV to MP3 Converter Convert WAV audio files to MP3 format online for free. ES · FR · DE
WAV to OGG Converter Convert WAV audio files to OGG format online for free. ES · FR · DE
YouTube Loop Mix & DJ Tool DJ-style mixer with dual decks, crossfader, EQ, A-B loop markers, cue points, BPM detection, and WAV export. ES · FR · DE

PDF & Document Tools

Tool Description i18n
Image to PDF Convert your images into a single PDF document. ES · FR · DE
PDF Compressor Compress PDF files locally to reduce file size without losing quality. ES · FR · DE
PDF Crop Crop PDF pages to a specific area or size. ES · FR · DE
PDF Flatten Flatten PDF forms and layers into a single layer. ES · FR · DE
PDF Image Extractor Extract all images from a PDF, replace them, and regenerate the document. ES · FR · DE
PDF Image Quality Enhancer Enhance the quality of all images in a PDF using AI super-resolution and rebuild the document. ES · FR · DE
PDF Margin Adjuster Adjust the margins of your PDF pages. ES · FR · DE
PDF Merger Combine multiple PDF files into a single document instantly. ES · FR · DE
PDF Metadata Editor View and edit metadata of your PDF files instantly. ES · FR · DE
PDF Page Deleter Remove unwanted pages from your PDF files easily. ES · FR · DE
PDF Page Extractor Extract specific pages from your PDF file. ES · FR · DE
PDF Page Numberer Add page numbers to your PDF documents automatically. ES · FR · DE
PDF Page Reorder Rearrange pages in your PDF document easily. ES · FR · DE
PDF Page Rotator Rotate individual or all pages in your PDF document. ES · FR · DE
PDF to Markdown Convert PDF documents to clean Markdown text directly in your browser using WASM-powered extraction. ES · FR · DE
PDF Splitter Split your PDF document into multiple separate files. ES · FR · DE
PDF Watermark Add text watermarks to your PDF documents easily. ES · FR · DE
PDF Watermark Remover Remove watermarks from PDF documents using AI-powered inpainting. ES · FR · DE
PowerPoint (PPTX) to PDF Convert your PowerPoint presentations to PDF format. ES · FR · DE
PPT Compressor Compress PowerPoint PPTX files locally in your browser to reduce file size. ES · FR · DE
Text to PDF Convert plain text into a professional PDF document. ES · FR · DE
Markdown to PDF Convert Markdown text to PDF with live preview and multiple themes. ES · FR · DE
PDF to Word Convert PDF documents to editable Word (DOCX) files with text extraction, heading detection, and list formatting. ES · FR · DE
Word to PDF Convert Word (DOCX) documents to PDF with faithful rendering, page size options, and quality control. ES · FR · DE

Random Generators

Tool Description i18n
Blue Noise Point Distribution Generator Generate high-performance distributions with Mitchell's Best Candidate algorithm. ES · FR · DE
Coin Flipper Flip a virtual coin to make a quick decision. ES · FR · DE
Dice Roller Roll one or multiple virtual dice for games. ES · FR · DE
Random Choice Picker Pick a random item from a list of options. ES · FR · DE
Random Color Generator Generate random colors in HEX, RGB, and HSL formats. ES · FR · DE
Random Fact Generator Learn something new with interesting random facts. ES · FR · DE
Random Name Picker Randomly select a name from your list. ES · FR · DE
Random Quote Generator Get inspired with random quotes from famous people. ES · FR · DE
Rock Paper Scissors Play a classic game of Rock Paper Scissors against the CPU. ES · FR · DE
Spaced Repetition Flashcards Create, review, and schedule flashcards with local storage and JSON export/import. ES · FR · DE
Spin the Wheel Create a custom wheel and spin it for random results. ES · FR · DE
Team Generator Quickly split a list of names into random teams. ES · FR · DE

Security & Cryptography

Tool Description i18n
AES Encryption Encrypt and decrypt text using AES-CBC or AES-GCM directly in your browser with the Web Crypto API. ES · FR · DE
Base58 Encoder/Decoder Encode text to Base58 and decode Base58 back to text using the Bitcoin alphabet. ES · FR · DE
Bcrypt Hash Generator Hash passwords and verify bcrypt hashes securely in your browser. ES · FR · DE
CORS Configuration Helper Generate CORS configurations for Express.js, Nginx, Apache, Fetch API, Spring Boot, Django, and Laravel. ES · FR · DE
CSP Builder Generate CSP headers interactively with all directives, presets, and output for HTTP headers, meta tags, Nginx, Apache, and Express. ES · FR · DE
Caesar Cipher Encrypt and decrypt text using the Caesar cipher with a customizable shift value. ES · FR · DE
Hash Generator Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any text input instantly. ES · FR · DE
Morse Code Encoder/Decoder Encode text to Morse code and decode Morse code back to text instantly. ES · FR · DE
Pwned Password Checker Check if your password has been exposed in known data breaches using the Have I Been Pwned API with k-anonymity. ES · FR · DE
Password Strength Tester Test and analyze the strength of any password with entropy calculation and detailed feedback. ES · FR · DE
Random Token Generator Generate cryptographically secure random tokens and secrets instantly. ES · FR · DE
Security Headers Generator Configure and generate HTTP security headers with a security grade score. Export for Nginx, Apache, and Express.js. ES · FR · DE
Shamir's Secret Sharing Split a secret into N shares and reconstruct it with any K shares using Shamir's Secret Sharing over GF(256). ES · FR · DE
RSA Key Generator Generate secure RSA public and private key pairs in PEM format. ES · FR · DE
SSL Certificate Decoder Parse and inspect PEM-encoded X.509 certificates. View subject, issuer, validity, and public key details. ES · FR · DE
Steganography Tool Hide secret messages inside images using LSB steganography. Extract hidden text from stego images. ES · FR · DE
Vigenere Cipher Encrypt and decrypt text using the Vigenere cipher with a keyword. ES · FR · DE

Social Media & SEO

Tool Description i18n
Ad Character Counter Count characters for Google, Facebook, and other ads. ES · FR · DE
Breadcrumb Schema Generator Generate JSON-LD breadcrumb structured data for SEO. ES · FR · DE
Canonical URL Gen Generate canonical URL tags to prevent duplicate content. ES · FR · DE
Digital Business Card Create and download a digital business card with vCard and QR code. ES · FR · DE
Hashtag Generator Generate trending hashtags for your social media posts. ES · FR · DE
Instagram Caption Spacer Add clean line breaks to your Instagram captions. ES · FR · DE
Keyword Density Checker Analyze the keyword density of your content for SEO. ES · FR · DE
LinkedIn Post Formatter Format and style your LinkedIn posts with Unicode text and preview. ES · FR · DE
Meta Tag Generator for SEO Generate SEO-optimized meta tags for your website. ES · FR · DE
Open Graph (OG) Generator Generate Open Graph meta tags for better social sharing. ES · FR · DE
Robots.txt Generator Create a robots.txt file to guide search engine crawlers. ES · FR · DE
SEO Title & Meta Optimizer Optimize your page titles and meta descriptions for search engines. ES · FR · DE
Sitemap Generator (XML) Generate an XML sitemap for search engine indexing. ES · FR · DE
Twitter Character Counter Count characters and verify Twitter's limit. ES · FR · DE
UTM Builder Build campaign tracking URLs with UTM parameters. ES · FR · DE

Sport & Performance

Tool Description i18n
1-Rep Max Calculator Calculate your estimated one-repetition maximum (1RM) using various established formulas. ES · FR · DE
AMRAP Timer Timed workout timer for 'As Many Rounds As Possible' routines with integrated round and rep counters. ES · FR · DE
FFMI Calculator Calculate your Fat-Free Mass Index with normalized height adjustment and natural limit overlay. ES · FR · DE
HIIT Workout Timer Customizable High-Intensity Interval Training timer for any workout routine. ES · FR · DE
Intermittent Hypoxia Breathing Timer Guided breathing exercise timer with configurable rounds of rapid breathing, breath holds, and recovery periods. ES · FR · DE
Macro Split Generator Calculate your ideal macronutrient split based on your daily calorie goal and fitness objectives. ES · FR · DE
Parkour Combo Generator Generate random and creative parkour combinations and sequences to practice. ES · FR · DE
Plate Loading Calculator Calculate which plates to load on each side of the barbell for any target weight. ES · FR · DE
Running Pace Calculator Calculate your pace, time, or distance for your runs and races. ES · FR · DE
Strength Standards Checker Check your powerlifting strength level with Wilks, DOTS, and IPF GL scoring. ES · FR · DE
Tabata Timer High-intensity interval training (HIIT) timer with customizable work and rest periods. ES · FR · DE
VO2 Max Estimator Calculate your VO2 max using Cooper, Rockport, or Uth formulas with age-based percentile ranking. ES · FR · DE
Vertical Jump Meter Estimate your vertical jump height from air time using physics-based calculation. ES · FR · DE
Wilks Score Calculator Calculate your Wilks coefficient to compare strength across different body weights and genders. ES · FR · DE

Video

Tool Description i18n
AVI to MKV Converter Convert AVI videos to MKV format online for free. ES · FR · DE
AVI to MOV Converter Convert AVI videos to MOV format online for free. ES · FR · DE
AVI to MP4 Converter Convert AVI videos to MP4 format online for free. ES · FR · DE
AVI to WebM Converter Convert AVI videos to WebM format online for free. ES · FR · DE
Extract Audio from Video Extract the audio track from any video as MP3, WAV, M4A or OGG. ES · FR · DE
MKV to AVI Converter Convert MKV videos to AVI format online for free. ES · FR · DE
MKV to MOV Converter Convert MKV videos to MOV format online for free. ES · FR · DE
MKV to MP4 Converter Convert MKV videos to MP4 format online for free. ES · FR · DE
MKV to WebM Converter Convert MKV videos to WebM format online for free. ES · FR · DE
MOV to AVI Converter Convert MOV videos to AVI format online for free. ES · FR · DE
MOV to MKV Converter Convert MOV videos to MKV format online for free. ES · FR · DE
MOV to MP4 Converter Convert MOV videos to MP4 format online for free. ES · FR · DE
MOV to WebM Converter Convert MOV videos to WebM format online for free. ES · FR · DE
MP4 to AVI Converter Convert MP4 videos to AVI format online for free. ES · FR · DE
MP4 to MKV Converter Convert MP4 videos to MKV format online for free. ES · FR · DE
MP4 to MOV Converter Convert MP4 videos to MOV format online for free. ES · FR · DE
MP4 to WebM Converter Convert MP4 videos to WebM format online for free. ES · FR · DE
Video Format Converter Convert videos between MP4, MOV, AVI, MKV and WebM formats instantly in your browser. ES · FR · DE
Video Compressor Reduce video file size while maintaining quality. ES · FR · DE
Video to GIF Converter Convert any video to animated GIF with custom FPS and size. ES · FR · DE
Video Trimmer Cut and trim videos to the exact length you need. ES · FR · DE
Video Up Scaler Upscale video resolution using AI-powered WebGPU processing directly in your browser. ES · FR · DE
WebM to AVI Converter Convert WebM videos to AVI format online for free. ES · FR · DE
WebM to MKV Converter Convert WebM videos to MKV format online for free. ES · FR · DE
WebM to MOV Converter Convert WebM videos to MOV format online for free. ES · FR · DE
WebM to MP4 Converter Convert WebM videos to MP4 format online for free. ES · FR · DE

Visualizers & Logic

Tool Description i18n
Abstract Syntax Tree (AST) Visualizer Visualize the structure of your JavaScript code with a detailed AST tree. ES · FR · DE
Big O Complexity Comparator Visualize and compare Big O complexity curves from O(1) to O(n!) on an interactive chart. ES · FR · DE
Big Data Text Visualizer Efficiently visualize and search through extremely large text files using buffering and infinite scroll. ES · FR · DE
Binary Search Tree Lab Interactive BST visualizer with insert, delete, search, and traversal operations. ES · FR · DE
CSS Box Model Visualizer Interactively visualize the CSS box model with live padding, border, margin, and content editing. ES · FR · DE
CSS Grid Interactive Builder Visualize and build complex CSS grid layouts effortlessly with our interactive tool. ES · FR · DE
Database Schema Designer Design database schemas with a visual ER diagram editor. Parse SQL DDL, add tables, and export CREATE TABLE statements. ES · FR · DE
Graph Traversal Animator Visualize BFS and DFS graph traversal algorithms step by step. ES · FR · DE
Interactive JSON Tree Explorer Visualize, search, and navigate through complex JSON structures effortlessly. ES · FR · DE
JWT Payload & Header Decoder Visualize and inspect the header and payload of your JSON Web Tokens instantly. ES · FR · DE
Mermaid Diagram Editor Create and edit professional diagrams using Mermaid.js syntax. ES · FR · DE
Pathfinding Visualizer Visualize A*, Dijkstra, BFS, and DFS pathfinding algorithms step by step on an interactive grid. ES · FR · DE
Quantum Circuit Simulator Simulate basic quantum circuits and visualize state probabilities in real time. ES · FR · DE
Recursion Tree Visualizer Paste a recursive function, execute it, and visualize the call tree with memoization overlay. ES · FR · DE
Regex Diagram Generator Visualize your regular expressions as easy-to-read railroad diagrams. ES · FR · DE
Sorting Algorithms Animator Visualize sorting algorithms step by step with animated bars. ES · FR · DE

Writing & Text Tools

Tool Description i18n
Case Converter Quickly convert text into various cases: UPPERCASE, lowercase, Title Case, etc. ES · FR · DE
Cover Letter Generator Create professional cover letters with multiple templates. Download as PDF instantly. ES · FR · DE
Find and Replace Find and replace specific text or patterns using regular expressions. ES · FR · DE
HTML to Markdown Convert HTML snippets into readable Markdown instantly. ES · FR · DE
Image to Text (OCR) Extract text from images using optical character recognition. ES · FR · DE
Lorem Ipsum Generator Generate placeholder text for designs and projects. ES · FR · DE
Markdown to HTML Convert Markdown content into clean HTML instantly. ES · FR · DE
Markdown to Medium Convert Markdown into Medium-compatible rich text with one click. ES · FR · DE
PPT Presentation Maker Create professional PowerPoint presentations from scratch. Download as PPTX or PDF. ES · FR · DE
Resume Builder Create professional, ATS-friendly resumes with multiple templates. Download as PDF instantly. ES · FR · DE
Slug Generator Generate URL-friendly slugs from any text. ES · FR · DE
Speech to Text Transcribe your voice to text in real time using browser-based speech recognition. ES · FR · DE
String Reverser Quickly reverse your text, words, or lines with this simple tool. ES · FR · DE
Text Diff Tool Compare two texts and find the differences between them. ES · FR · DE
Text to Speech Convert any text into natural-sounding speech using the browser's Web Speech API. ES · FR · DE
Whitespace Remover Clean up your text by removing leading, trailing, and extra spaces, or eliminating all whitespace. ES · FR · DE
Word & Character Counter Count words, characters, sentences and paragraphs. ES · FR · DE
Word Frequency Counter Analyze your text to find the most used words and their frequency. ES · FR · DE

Blog

Why Kitmul?

  • 100% Client-Side - All processing happens in your browser. No file uploads, ever.
  • Free & Unlimited - No premium tiers, no usage caps, no accounts required.
  • Private by Design - Your data never leaves your device. No tracking, no analytics on your files.
  • Works Offline - PWA support means tools work without internet after first load.
  • Open & Multilingual - Available in English, Spanish, French, and German.

from  https://github.com/aralroca/awesome-kitmul

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