All Tools
Browse all 500+ free online tools, organized by category.
Text & Writing
View all → Word Counter Character Counter Sentence Counter Paragraph Counter Keyword Density Checker Case Converter Remove Line Breaks Text Repeater Reverse Text Word Cloud Generator Lorem Ipsum Generator Reading Time Calculator Random Word Generator Alphabetize List Text Diff Checker Readability Score Grammar Checker Spell Checker Punctuation Fixer Passive Voice Detector Sentence Rephraser Article Checker Homophone Checker Contraction Tool Text Summarizer Sentence Analyzer Verb Tense Checker Plagiarism Checker Thesaurus Palindrome Checker Upside Down Text Small Text Generator Cursive Text Generator Mocking Text Generator Invisible Character Text to Unicode Emoji Remover Emoji ↔ Text Converter Zalgo Text Generator Word Combiner Syllable Counter Vowel/Consonant Counter Rhyme Finder Anagram Finder Acronym Generator Tongue Twister Generator Alliteration Generator Transliteration Tool Profanity Checker Text to Speech
Developer & Code
View all → JSON Formatter & Validator JSON Minifier JSON to XML Converter JSON to YAML Converter JSON to CSV Converter JSONPath Tester JSON Schema Validator JSON Diff Viewer JSON Escape/Unescape XML Formatter & Beautifier XML Validator XML to JSON Converter XML to YAML Converter XPath Tester XML Minifier XML Escape/Unescape YAML Formatter & Validator YAML to JSON Converter YAML to XML Converter YAML Lint YAML Minifier YAML Path Query UUID v4 Generator UUID v1 Generator UUID v5 Generator UUID v7 Generator Bulk UUID Generator UUID Decoder & Info GUID Generator GUID ↔ UUID Converter Bulk GUID Generator HTML Beautifier CSS Beautifier JavaScript Beautifier SQL Formatter Markdown Editor & Preview Code Diff Checker JS/CSS/HTML Minifier Regex Tester JWT Debugger HTML to JSX Converter CSS Gradient Generator Box Shadow Generator Border Radius Generator Text Shadow Generator CSS Transform Builder CSS Filter Generator Flexbox Generator CSS Grid Generator Clip Path Generator Animation Timing Generator Base64 Encoder Base64 Decoder URL Encoder URL Decoder HTML Entity Encoder Cron Generator .env File Generator GraphQL Formatter JS Obfuscator CSS to Tailwind Converter
SEO & Marketing
View all → Meta Tag Generator Open Graph Generator Keyword Density Analyzer robots.txt Generator XML Sitemap Generator Heading Structure Analyzer Schema Markup Generator URL Slug Generator SERP Preview Tool URL Redirect Checker Hashtag Generator Bio Generator Username Checker YouTube Tag Extractor UTM Link Builder Caption Generator Link Preview Generator Social Media Size Guide Engagement Calculator Thread Splitter Keyword Suggestion Tool SERP Position Checker
Network & Domain
View all →Security & Encryption
View all → Password Generator Password Strength Checker Password Policy Checker MD5 Hash Generator SHA Hash Generator Bcrypt Hash Generator Bcrypt Hash Compare HMAC Generator Random Token Generator AES Encrypt/Decrypt ROT13 Cipher Caesar Cipher Vigenère Cipher Hash Comparison Text Obfuscator Credit Card Validator IBAN Validator 2FA Code Generator Empty GUID Checker GUID Comparison Multi-Hash Generator Password Crack Estimator Code Signature Check Entropy Calculator
Math & Calculators
View all → Percentage Calculator Scientific Calculator Age Calculator Date Difference BMI Calculator BMR Calculator Loan Calculator Tip Calculator Discount Calculator Random Number Generator Number to Words Roman Numeral Converter Binary Converter Hexadecimal Converter Algebra Equation Solver Matrix Calculator Fraction Calculator Prime Number Checker GCD/LCM Calculator Permutation & Combination Logarithm Calculator Exponent & Root Calculator Modulo Calculator Golden Ratio Calculator Pythagorean Theorem Circle Calculator Triangle Solver 3D Volume Calculator Surface Area Calculator Number Sequence Generator Number Speller Rounding Calculator Significant Figures Love Calculator Chinese Zodiac Finder Zodiac Sign Finder Numerology Calculator Random Picker Random Team Generator Random Winner Picker Unit Circle Calculator Decimal to Fraction Factor Finder Multiplication Table Mean Median Mode Calculator Complex Number Calculator Percentage Change Calculator
Graphs & Charts
View all → Bar Chart Generator Line Chart Generator Pie Chart Generator Scatter Plot Generator Histogram Generator Chart from CSV Function Plotter Box Plot Generator Radar Chart Generator Chart Data Table Descriptive Statistics Frequency Distribution Z-Score Calculator T-Test Calculator Chi-Square Calculator Linear Regression Percentile & Quartile Moving Average Calculator Outlier Detector Normal Distribution Correlation Coefficient Sample Size Calculator Effect Size Calculator Confidence Interval
Colors & Design
View all → HEX to RGB Converter RGB to HEX Converter HEX to HSL Converter Color Picker Color Palette Generator Color Contrast Checker SVG to JSX Converter RGB to CMYK Converter HEX to RGBA Color Name Finder Color Scheme Designer Color Mixer Tint & Shade Generator Random Color Generator Color Blindness Simulator Material Design Colors Color to Grayscale Web Safe Color Picker Tailwind Color Finder Color Psychology Guide Design Token Generator Favicon Generator OG Image Generator Decimal to Hex Hex to Decimal Hex to Binary Binary to Hex Hex to Octal Hex Calculator Hex Color Gradient Palette from Image CSS Color Names Color Harmony Checker
Converters
View all → Length Converter Weight Converter Temperature Converter Speed Converter Area Converter Volume Converter Time Converter Data Storage Converter File Size Converter Currency Converter Energy Converter Pressure Converter Angle Converter Frequency Converter Fuel Efficiency Converter Typography Converter Cooking Converter Shoe Size Converter Clothing Size Converter
Images
View all →Audio
View all →PDF & Documents
View all →Dates & Time
View all → Unix Timestamp Converter Date Arithmetic Date Range Calculator Business Days Calculator Time Zone Converter Day of Year Calculator Week Number Calculator Time Duration Calculator Date Format Converter Holiday Calendar Moon Phase Calculator Countdown Calculator Chronological Age Season Finder Leap Year Checker Weekend Finder Sunrise/Sunset Calculator Decimal Time Converter Online Timer Online Stopwatch Countdown Timer World Clock Calendar Generator
Health & Fitness
View all → Calorie Needs Calculator Body Fat Calculator Water Intake Calculator Protein Needs Calculator Macro Calculator Ideal Weight Calculator 1RM Calculator Running Pace Calculator Heart Rate Zones Calories Burned Sleep Calculator BAC Calculator Due Date Calculator Growth Percentile Biological Age Recipe Scaler Nutrition Facts Generator Cooking Unit Converter Baking Converter Oven Temperature Coffee Brew Calculator Pizza Calculator Tea Brew Calculator Steps to Distance Workout Log
Travel & Geography
View all →Gaming & Fun
View all → QR Code Generator Barcode Generator Random Quote Generator Dice Roller Coin Flip Decision Maker Magic 8-Ball Random Trivia Personality Test Maze Generator Sudoku Generator Hangman Game Typing Speed Test Reaction Time Test Color Blindness Test Memory Card Game Story Generator Name Generator Emoji Art Creator ASCII Art Generator Meme Text Generator Kaomoji Collection Spot the Difference Truth or Dare Never Have I Ever Would You Rather Random Activity Generator Bingo Card Generator Crossword Creator Word Search Generator Mad Libs Generator Trivia Quiz Generator
Education & Study
View all → Grade Calculator Study Timer APA Citation Generator MLA Citation Generator Flashcard Maker Note Compressor Assignment Planner Reading Speed Test Abbreviation Expander Essay Outliner Annotated Bibliography Thesis Generator Mnemonic Generator Quiz Generator Spaced Repetition Scheduler Grade Tracker Semester Planner Bibliography Generator Dictionary Lookup Encyclopedia Search Concept Map Generator Spelling Bee Practice Times Table Drill Math Facts Trainer Vocabulary Builder Historical Events Periodic Table Molecular Weight pH Calculator Dilution Calculator
Business & Finance
View all → Compound Interest Mortgage Calculator Investment Return Budget Planner Salary Converter Profit Margin Break-Even Point Inflation Calculator Loan Amortization Credit Card Payoff Tax Bracket Calculator Retirement Calculator Invoice Generator Receipt Generator Business Plan Outliner SWOT Analysis Tool Meeting Cost Calculator Productivity Score Eisenhower Matrix SMART Goal Tracker Weekly Planner Expense Tracker P&L Calculator Timesheet Tracker Ohm's Law Calculator Resistor Color Code Power Calculator Wire Gauge Calculator Beam Deflection Gear Ratio Torque Calculator Flow Rate Calculator Circuit Impedance Structural Load Shaft Torque Pressure Drop Scale Converter Square Footage Aspect Ratio Slope Calculator Concrete Calculator Paint Calculator Material Calculator Blueprint Converter