Platform
- Base64 Encoder/Decoder
- Case Converter
- Slugify Text
- Word Counter
- Line Tools
- Text Cleaner
- Text to List
- Password Strength Checker
- Fancy Text Generator
- Text to Speech Reader
- Speech to Text Transcriber
- Character Counter
- Translate Text
- Morse Code Translator
- Binary/Hex Text Converter
- ROT13 / Caesar Cipher
- Reading Time Calculator
- Emoji Picker & Search
- Markdown Table Generator
- Text Diff Viewer
- Text Statistics
- Resume Builder
- Pronunciation Guide
- Image Convert
- Image Resize
- Image Compressor
- Background Remover
- Image to PDF
- EXIF Metadata Viewer
- Meme Generator
- Aspect Ratio Calculator
- Image Color Extractor
- Favicon Generator
- SVG to PNG Converter
- Pixel Art Creator
- Color Blind Palette
- Font Pairing Suggester
- Color Name Finder
- Photo Collage Layout
- Image Watermark
- Color Palette from Image
- Photo Grid Maker
- Screenshot Annotator
- Image Watermark Creator
- Image Privacy & EXIF Cleaner
- Image Color Swapper
- Image Area Blur & Anonymizer
- SVG Path Visualizer & Inspector
- Image Color Threshold & Binarizer
- Image to ASCII Art Generator
- Image Color Swatch Extractor
- Image Aspect Ratio Cropper
- Color Palette Harmonizer & Generator
- Image & Palette Color Contrast Checker
- Image Color Palette Contrast Matrix
- Color Contrast Ratio & Accessibility Analyzer
- Color Palette SVG & CSS Swatch Exporter
- Color Contrast Ratio Compliance Table
- Color Contrast Matrix Exporter
- Color Contrast Ratio Compliance Sheet
- Color Palette Contrast Sheet Exporter
- Contrast Compliance Color Matrix Sheet Exporter
- JSON Formatter
- JWT Decoder
- Regex Tester
- Hash Generator
- Lorem Ipsum Generator
- Password Generator
- UUID / NanoID Generator
- Timestamp Converter
- Color Converter
- Diff Checker
- Markdown Previewer
- Regex Library
- API Request Tester
- YAML to JSON Converter
- CSV to JSON Converter
- Number Base Converter
- Color Palette Generator
- Cron Expression Generator
- HTML to Markdown Converter
- Color Blindness Simulator
- JSON Schema Validator
- CSS Gradient Generator
- CSS Box Shadow Generator
- Crontab Explainer
- Env Variables Editor
- String Escape/Unescape
- API Status Monitor
- Code Minifier
- Flexbox Playground
- CSS Grid Generator
- HTML Entity Encoder
- Regex Cheat Sheet
- HTTP Status Codes
- CSS Animation Generator
- SQL Formatter
- CSS Flexbox Generator
- Keycode & Event Viewer
- Regex Visualizer & Explainer
- cURL Code Converter
- User Agent Parser & Inspector
- CSS 3D Transform Generator
- CSS Clip-Path Maker
- CSS Filter Effects Generator
- CSS Box & Text Shadow Generator
- CSS Border-Radius Shape Generator
- CSS 2D Transform Matrix Generator
- CSS Flexbox Layout Playground
- CSS Grid Layout Visual Builder
- CSS Glassmorphism & Backdrop Filter Generator
- CSS Keyframe Animation Generator
- CSS Typography & Text Effect Generator
- CSS 3D Transform & Perspective Generator
- CSS Keyframe Multi-Animation Stacker
- CSS Keyframe Visual Animation Builder
- CSS Keyframe Visual Curve & Speed Builder
- BMI Calculator
- Unit Converter
- Date Difference Calculator
- Standard Calculator
- Scientific Calculator
- Percentage Calculator
- Loan EMI Calculator
- Currency Converter
- Tip Calculator & Bill Splitter
- Discount Calculator
- GPA Calculator
- CGPA Calculator
- Video Aspect Ratio Calculator
- Aspect Ratio Calculator
- Number to Words
- Credit Card Payoff Calculator
- Debt Snowball vs Avalanche Calculator
- Paycheck Deductions & Take-Home Calculator
- Emergency Fund Savings Planner
- Freelance Tax & Quarterly Estimate Calculator
- Emergency Savings Goal Calculator
- 50/30/20 Rule Budget & Income Allocator
- Debt-to-Income (DTI) Ratio Calculator
- Auto Loan Monthly Payment & Amortization Calculator
- Loan-to-Value (LTV) & Home Equity Calculator
- HELOC (Home Equity Line of Credit) Payment Calculator
- Time Zone Converter
- Age Calculator
- Countdown Timer
- Week Number Calculator
- World Clock
- Meeting Planner
- Time Zone Comparison
- Holiday Calendar
- Cooking Timer
- Timezone Alarm
- Work Shift Scheduler
- Work Hours & Overtime Calculator
- Time Capsule Message
- World Clock & Meeting Planner
- Event Countdown Widget Creator
- Sleep Latency & Alarm Clock
- Sleep Efficiency Calculator
- Lunar Calendar
- Date Formatter
- Birthday Countdown
- Event Countdown
- Sunrise & Sunset Calculator
- Sleep Debt & Recovery Calculator
- Sleep Log & Circadian Rhythm Tracker
- Sleep Efficiency & Quality Tracker
- Circadian Shift Work & Sleep Adjuster
- Shift Work Sleep Schedule Calculator
- Sleep Latency & Sleep Onset Calculator
- REM Sleep Cycle & Optimal Bedtime Clock
- REM Sleep Cycle & Wakeup Alarm Calculator
- Sleep Onset Latency & Bedtime Clock
- REM Sleep Cycle & Bedtime Alarm Clock
- REM Sleep Cycle & Onset Latency Bedtime Clock
- Clipboard Cleaner
- Clipboard Manager
- Morse Code Flashlight
- Electricity Usage Monitor
- Random Picker
- ID Generator
- Pomodoro Timer
- Unit Price Comparator
- Stopwatch
- Flip a Coin
- Roll a Dice
- Random Number Generator
- Typing Speed Test
- Screen Recorder
- Decision Maker
- Phonetic Pronunciation Password Generator
- Password Strength & Entropy Calculator
- Diceware Wordlist Passphrase Generator
- Phonetic Password Generator with NATO Guide
- NATO Phonetic Password Generator & Soundout
- NATO Password Generator & Phonetic Reader
- Invoice Generator
- To-Do List (Offline)
- Meeting Notes Template
- Receipt Scanner
- Resume Analyzer
- Invoice Number Generator
- Batch File Renamer
- SOP Template Builder
- Cover Letter Builder
- Business Card Generator
- Email Signature Generator
- Letter Template Generator
- Contract Template
- NDA Generator
- Invoice Line Item Calculator
- Purchase Order Generator
- Packing Slip Generator
- Commercial Invoice Generator
- Bill of Lading (BOL) Generator
- Proforma Invoice Generator
- Expense Tracker
- Timesheet Calculator
- Grocery List Manager
- Meeting Cost Calculator
- Price Quotation & Estimate Generator
- Work Completion Letter Generator
- SLA Document Generator
- Professional Service Contract Generator
- Mutual Non-Disclosure Agreement (NDA) Generator
- Independent Contractor Agreement Builder
- Professional Service Retainer Agreement Generator
- Master Services Agreement (MSA) Generator
- Consulting Services Agreement Generator
- Mutual NDA Scope & Term Builder
- Independent Contractor SOW Builder
- Contractor Scope of Work & Deliverables Builder
- Distance Calculator
- Travel Packing Checklist
- Jet Lag Calculator
- Fuel Cost Calculator
- Travel Budget Planner
- Packing Weight Calculator
- Fuel Efficiency Converter
- Travel Checklist
- Visa Requirements Checker
- Flight Time Calculator
- Travel Expense Tracker
- Travel Phrase Book
- Travel Document Checklist
- Exchange Rate History
- Offline Currency Calculator
- Flight Duration & Time Zone Calculator
- Passport Photo Crop & Grid
- Daily Travel Budget Planner
- Travel Visa Requirements Index
- Airline Baggage Allowance & Fee Calculator
- Currency Exchange Fee Calculator
- Multi-Currency Exchange Matrix
- Currency Exchange Comparison Table
- Currency Quick Reference Card
- Currency Rate Trend Comparison Table
- Travel Expense Multi-Unit Price Matrix
- Travel Budget Currency Comparison Matrix
- Travel Daily Expense Budget Calculator
- Currency Trip Budget & Spending Matrix
- Travel Budget Multi-Currency Comparison Sheet
- Travel Multi-Currency Budget Planner
- Multi-Currency Travel Budget Calculator Sheet
- Multi-Country Travel Budget & Currency Converter Sheet
- Savings Goal Calculator
- GST/VAT Calculator
- Salary to Hourly Converter
- Compound Interest Calculator
- Mortgage Calculator
- Investment Return Calculator
- Debt Payoff Calculator
- Net Salary Calculator
- Loan Comparison Calculator
- Electricity Cost Calculator
- Subscription Tracker
- Interest Rate Comparison
- Retirement Calculator
- Currency Pair Chart
- Expense Splitter
- Tax Bracket Calculator
- Expense Categorizer
- Paycheck Calculator
- Budget Template Generator
- Currency Slang Dictionary
- Interest Rate Converter
- Tax Withholding Estimator
- Net Worth Calculator
- Savings vs Spending
- Invoice Payment Tracker
- Crypto Profit Calculator
- Freelance Rate Calculator
- Emergency Fund Calculator
- FIRE Financial Independence Calculator
- Loan Amortization Schedule Calculator
- Emergency Loan vs Savings Comparison
- Investment Compound Growth Visualizer
- Love Calculator
- Random Quote Generator
- Truth or Dare Generator
- Would You Rather
- Magic 8 Ball
- Random Name Generator
- Zodiac Sign Finder
- ASCII Art Generator
- Dice Probability Calculator
- Morse Code Audio
- Color Memory Game
- Reaction Time Test
- Animal Quiz
- Compound Words Game
- Trivia Generator
- Emoji Story Generator
- Word Association Game
- Number Guessing Game
- Two Truths and a Lie
- Rock Paper Scissors
- Simon Says
- Word Guess Game
- Memory Match Game
- Tic Tac Toe with AI
- Hangman Word Game
- Speed Typing Challenge
- Sudoku Puzzle & Solver
- Word Scramble Game
- Pattern Memory Game
- Word Search Puzzle Generator
- Anagram Finder & Solver
- Wordle Unlimited Game & Solver
- Sudoku Unlimited Puzzle Generator & Solver
- 6-Letter Wordle Challenge Game
- Memory Card Matching Game
- Tic-Tac-Toe AI Unbeatable Challenge
- Connect 4 AI Challenge Game
- Memory Tile Sequence Challenge
- Memory Grid Flip Challenge
- Tile Sequence Pattern Memory Challenge
- What Is My IP
- IP Geolocation Lookup
- WHOIS Domain Lookup
- DNS Lookup
- HTTP Header Checker
- SSL Certificate Checker
- Email Header Analyzer
- Username Checker
- MAC Address Lookup
- Subdomain Finder
- Web & Security Directory
- WiFi QR Code Generator
- Network Speed Converter
- Bandwidth Calculator
- Subnet Calculator
- Port Number Reference
- DNS Record Generator
- CORS Header Generator
- Bandwidth Calculator
- Calorie Calculator
- Sleep Calculator
- Water Intake Calculator
- BMR Calculator
- Body Fat Calculator
- Heart Rate Zone Calculator
- Pregnancy Due Date Calculator
- Meditation Timer
- Screen Time Calculator
- Macro Calculator
- Blood Pressure Tracker
- Ideal Weight Calculator
- Hydration Reminder
- Allergy Tracker
- Workout Timer
- Symptom Diary
- Calorie Burn Calculator
- Nutrition Label Maker
- Habit Score Calculator
- Blood Type Compatibility
- Sleep Quality Analyzer
- Calorie Lookup
- Step Counter Log
- Vision Test
- Pregnancy Tracker
- Blood Sugar Tracker
- Meal Planner & Calorie Target
- Intermittent Fasting Tracker
- Sleep Cycle & Bedtime Calculator
- Calorie Deficit & Goal Date Estimator
- Protein Intake & Muscle Target Calculator
- Hydration & Daily Water Tracker
- Calorie Burn by Activity Calculator
- Running vs Walking Pace Calculator
- Swimming & Water Sports Calorie Calculator
- Cycling & Biking Calorie Calculator
- Hiking & Elevation Gain Calorie Calculator
- Jump Rope & HIIT Calorie Calculator
- Rowing Machine & Ergometer Calorie Calculator
- Elliptical Cross-Trainer Calorie Calculator
- Stair Climbing & Step Workout Calorie Calculator
- Indoor Cycling & Spin Bike Calorie Calculator
- Recumbent Exercise Bike Calorie Calculator
- Stair Stepper & StepMill Calorie Calculator
- Online Notepad
- Online Whiteboard
- Habit Tracker
- Eisenhower Matrix
- Flashcard Maker
- Kanban Board
- Priority Matrix
- Habit Streak Counter
- Focus Timer
- Daily Journal
- Reading List Manager
- Gratitude Journal
- Goal Tracker
- Weekly Planner
- Daily Affirmations
- Daily Standup Generator
- Meeting Agenda Builder
- Bookmark Manager
- Project Timeline
- Eisenhower Matrix Planner
- Pomodoro Analytics & Log
- Mind Map Builder
- Eisenhower Kanban Board
- Weekly Habit & Routine Planner
- Weekly Meal Prep & Grocery Planner
- Weekly Goals & Milestone Planner
- Priority Kanban Board
- Priority List & Eisenhower Planner
- Color-Coded Category Kanban Board
- Priority Matrix 2x2 Task Tracker
- OKR Goals & Key Results Planner
- Eisenhower Goal & Action Planner
- Eisenhower Matrix Urgency-Importance Board
- Eisenhower Urgency Matrix Checklist
- Eisenhower Prioritization Matrix Workspace
- Priority Matrix Action Planner
- Priority Quadrant Action Board
- Daily Priority Task Action Board
Color Contrast Ratio Compliance Sheet
Design system WCAG accessibility contrast compliance test sheet. Generate matrices for your palette.
Palette Configuration
Set up the colors to test against each other
Contrast Matrix
Cross-reference all colors. Ratios need to be 4.5:1 for normal text (AA).
| Bg \\ Text | Primary | Secondary | Background | Surface |
|---|---|---|---|---|
Primary | - | A 4.41:1 AA Fail | A 21.00:1 AA Pass | A 20.07:1 AA Pass |
Secondary | A 4.41:1 AA Fail | - | A 4.76:1 AA Pass | A 4.55:1 AA Pass |
Background | A 21.00:1 AA Pass | A 4.76:1 AA Pass | - | A 1.05:1 AA Fail |
Surface | A 20.07:1 AA Pass | A 4.55:1 AA Pass | A 1.05:1 AA Fail | - |
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