All Tools
Browse all 256 free online tools. Search by name or filter by category to find exactly what you need.
Word Counter
Count words, characters, sentences, and paragraphs in your text
Case Converter
Convert text between uppercase, lowercase, title case, and more
Lorem Ipsum Generator
Generate placeholder text for your designs and mockups
Text Diff Checker
Compare two texts and highlight the differences
Remove Duplicate Lines
Remove duplicate lines, keep first/last, and clean up lists
Sort Lines Alphabetically
Sort lines alphabetically, numerically, by length, reverse, or shuffle
Title Case Converter
Convert text to title case using AP, Chicago or APA style rules, plus sentence case
Markdown to HTML Converter
Convert Markdown to HTML with GitHub Flavored Markdown support
Word Frequency Counter
Analyze word and character frequency in your text with filters and export options
Readability Checker
Analyze text readability with 6 formulas including Flesch-Kincaid, Gunning Fog, and SMOG
Headline Analyzer
Score and optimize your headlines for SEO, engagement, and emotional appeal
Morse Code Translator
Convert text to Morse code and vice versa with audio playback
NATO Phonetic Alphabet Translator
Convert text to the NATO phonetic alphabet (Alfa, Bravo, Charlie) and back
Binary Text Translator
Convert text to binary and binary back to text (UTF-8)
Length Converter
Convert between meters, feet, inches, kilometers, and more
Weight Converter
Convert between kilograms, pounds, ounces, and more
Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin
Volume Converter
Convert between liters, gallons, cups, and more
Data Size Converter
Convert between bytes, KB, MB, GB, and TB
Color Converter
Convert between HEX, RGB, HSL, and other color formats
Color Picker from Image
Extract dominant colors from images and get HEX, RGB, and HSL codes
Gradient Generator
Create beautiful CSS gradients with live preview
Contrast Checker
Check color contrast for WCAG accessibility compliance
Palette Generator
Generate color palettes from a base color
Tailwind Color Shades Generator
Generate a Tailwind-style 50-950 shade scale from any base color
SVG Wave Generator
Create customizable SVG wave dividers with smooth, sharp, or blob shapes
Image Resizer
Resize images with preset sizes or custom dimensions
Image Compressor
Compress images to reduce file size while maintaining quality
Image Format Converter
Convert images between PNG, JPG, WEBP, GIF and more formats
Image Cropper
Crop images to any size or aspect ratio. Perfect for social media.
Aspect Ratio Calculator
Calculate dimensions while maintaining aspect ratios for images and videos
Box Shadow Generator
Create CSS box shadows with visual controls and live preview
Border Radius Generator
Create CSS border radius values visually with corner controls
CSS Flexbox Generator
Create flexbox layouts visually with live preview and code export
CSS Grid Generator
Create CSS Grid layouts visually with live preview and code export
CSS Animation Generator
Create custom CSS animations with a visual timeline editor, presets, and live preview
CSS Glassmorphism Generator
Create modern glassmorphism effects with backdrop-filter blur and transparency controls
Neumorphism Generator
Create soft UI CSS effects with customizable shapes, colors, and shadows
JSON Formatter
Format, validate, and beautify JSON data
Base64 Encoder/Decoder
Encode and decode Base64 strings
URL Encoder/Decoder
Encode and decode URL strings
UUID Generator
Generate unique UUIDs (v4) instantly
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes
HMAC Generator
Generate and verify HMAC signatures with SHA-1, SHA-256, SHA-384, or SHA-512
Query String Parser & Builder
Parse a URL or query string into key-value pairs and rebuild a clean, encoded query
Password Generator
Generate strong, secure passwords with customizable options
API Request Builder
Test APIs with a powerful HTTP client. Supports all methods, auth, headers, and code generation
Subnet Calculator
Calculate IPv4 subnet masks, network addresses, broadcast addresses, and host ranges
VAT Calculator
Calculate VAT/GST quickly and easily
US Sales Tax Calculator
Add or extract US sales tax with 2025 state rates
Ohm's Law Calculator
Solve for voltage, current, resistance, or power
Profit Margin Calculator
Calculate profit margins and markups
Discount Calculator
Calculate discounts and final prices
Invoice Generator
Create professional invoices instantly
Project Time Tracker
Track time across projects and calculate earnings
Quote Generator
Create professional quotes and proposals with PDF export
Expense Tracker
Track and categorize expenses with charts and CSV export
Advanced Profit Calculator
Calculate EBITDA, operating profit, net profit with break-even and scenario analysis
Timezone Converter
Convert times between different timezones
Tip Calculator
Calculate tips and split bills between multiple people
Receipt Generator
Create professional receipts for completed transactions
Carbon Footprint Calculator
Calculate your annual carbon emissions from transportation, energy, diet, and shopping
Percentage Calculator
Calculate percentages with 4 different modes
BMI Calculator
Calculate your Body Mass Index with metric or imperial units
BMR/TDEE Calculator
Calculate your basal metabolic rate and daily calorie needs
Body Fat Calculator
Calculate your body fat percentage using US Navy method or BMI
Calorie Calculator
Calculate daily calorie needs, track food intake, and browse 50+ common foods
Random Number Generator
Generate random numbers with presets for dice, coins, lottery, and more
QR Code Generator
Create custom QR codes for URLs, text, email, phone, and SMS
Regex Tester
Test and debug regular expressions with real-time matching and highlighting
JWT Decoder
Decode and inspect JSON Web Tokens with claim explanations
Code Minifier
Minify JavaScript, CSS, and HTML code to reduce file size
Code Beautifier
Format and beautify JavaScript, CSS, and HTML code
SQL Formatter
Format and beautify SQL queries for MySQL, PostgreSQL, SQL Server, and more
SQL to NoSQL Converter
Convert SQL CREATE TABLE and SELECT statements to MongoDB, DynamoDB, Firebase, and CouchDB
XML Formatter
Format, beautify, and validate XML documents
Cron Generator
Build and validate cron expressions with visual editor
YAML Validator
Validate, format, and convert YAML files
Image to Base64
Convert images to Base64 encoded strings for embedding in code
Barcode Generator
Generate UPC, EAN, Code 128, QR codes and more
Age Calculator
Calculate your exact age in years, months, days, hours, and more
Loan Calculator
Calculate loan payments and amortization schedules with detailed breakdowns
Mortgage Calculator
Calculate mortgage payments with PITI breakdown and amortization schedule
Compound Interest Calculator
Calculate investment growth with compound interest and regular contributions
Date Difference Calculator
Calculate the number of days, weeks, months, and years between two dates
Unix Timestamp Converter
Convert between Unix timestamps and human-readable dates
Speed Converter
Convert between mph, km/h, knots, m/s and other speed units
Area Converter
Convert between square meters, square feet, acres, hectares and more
Time Converter
Convert between seconds, minutes, hours, days, weeks, months, years
Angle Converter
Convert between degrees, radians, gradians, and other angle units
Energy Converter
Convert between joules, calories, kilowatt-hours, BTU, and more energy units
Power Converter
Convert between watts, kilowatts, horsepower, BTU/hour, and more power units
Pressure Converter
Convert between PSI, bar, pascal, atmosphere, torr, and more pressure units
Days Calculator
Calculate days until or since any event. Countdown to weddings, birthdays, and more.
ROI Calculator
Calculate return on investment with simple, marketing, and comparison modes
Break-Even Calculator
Calculate break-even point with profit planning and margin of safety analysis
Macro Calculator
Calculate optimal protein, carbs, and fat intake based on your calorie goals and diet strategy
Rent vs Buy Calculator
Compare the costs of renting vs buying a home to make informed financial decisions
GPA Calculator
Calculate your semester or cumulative GPA with support for 4.0, weighted, and plus/minus scales
Grade Calculator
Calculate what grade you need on your final exam to reach your target grade
Recipe Scaler
Scale recipe ingredients up or down for any serving size
Cooking Measurement Converter
Convert between cups, grams, tablespoons, ounces, and temperature
Random Name Generator
Generate unique names for characters, usernames, babies, and more
Decision Maker
Spin the wheel, flip a coin, roll dice, or pick randomly
Business Days Calculator
Calculate working days between dates with holiday support for multiple countries
List Randomizer
Shuffle lists, pick random items, and create random groups
Extract Emails from Text
Find and extract all email addresses from any text
Extract URLs from Text
Find and extract all links and URLs from any text
Color Blindness Simulator
Preview how your designs appear to people with color vision deficiency
WiFi QR Code Generator
Create a QR code for instant WiFi network access
Character Counter
Count characters for social media platforms with real-time limits
Pomodoro Timer
Boost productivity with the Pomodoro Technique focus timer
Pomodoro Analytics
Advanced Pomodoro Timer with detailed analytics, streaks, and productivity insights
Stopwatch
Free online stopwatch with lap times, millisecond precision, and fullscreen mode
Countdown Timer
Free online countdown timer with alerts, presets, and multiple timers
Alarm Clock
Set multiple online alarms with custom sounds and repeat options
Average Calculator
Calculate mean, median, mode, and more statistics
Scientific Calculator
Advanced calculator with trigonometry, logarithms, and scientific functions
Ideal Weight Calculator
Calculate your ideal body weight using medical formulas
Event Countdown Timer
Count down to birthdays, weddings, holidays, and special events
Fuel Efficiency Converter
Convert between MPG, L/100km, km/L, and more
Salary Calculator
Convert salary between hourly, monthly, yearly, and more
Favicon Generator
Create favicons in all sizes from images or text/emoji
Debt Payoff Calculator
Calculate your debt payoff timeline using the snowball or avalanche method
50/30/20 Budget Calculator
Plan your budget using the popular 50/30/20 budgeting rule
Privacy Policy Generator
Generate a free privacy policy for your website or app
Terms of Service Generator
Generate free terms of service for your website or app
CSS Gradient to Image
Convert CSS gradients to downloadable PNG, JPG, or WebP images
JSON β CSV Converter
Convert between JSON and CSV formats with options for nested data
Random Color Generator
Generate random colors and palettes with multiple color modes
Fake Data Generator
Generate realistic test data like names, emails, addresses, and more
Placeholder Image Generator
Generate placeholder images for mockups and designs
Pace Calculator
Calculate running pace, time, or distance for training and races
Water Intake Calculator
Calculate your daily water intake needs based on weight and activity
Typing Speed Test
Test your typing speed and accuracy with our free WPM test
Meeting Cost Calculator
Calculate the true cost of meetings based on attendee salaries
Fraction Calculator
Add, subtract, multiply, and divide fractions with step-by-step solutions
Mean, Median, Mode Calculator
Calculate mean, median, mode, standard deviation, and more statistics
Percentage Change Calculator
Calculate percentage increase or decrease between two values
HTML to Text Converter
Strip HTML tags and convert to clean plain text
Find and Replace
Find and replace text patterns with regex support
Text Reverser
Reverse text by characters, words, lines, or upside-down
Screen Resolution Checker
Check your screen resolution, viewport size, and display information
What Is My IP
Find your public IP address, location, and ISP information
Browser Info Checker
View your browser, system, and feature support information
Meta Tag Generator
Generate SEO-friendly meta tags for your website with live preview
Open Graph Preview
Preview and generate Open Graph meta tags for social media sharing
Robots.txt Generator
Create robots.txt files to control search engine crawling
Number Base Converter
Convert numbers between binary, decimal, hexadecimal, and octal
Chmod Calculator
Calculate Unix file permissions in octal and symbolic notation
HTTP Status Code Lookup
Search and reference every HTTP status code with meanings and descriptions
Roman Numeral Converter
Convert between Arabic numbers and Roman numerals
Number to Words Converter
Convert numbers to written words for checks and documents
URL Slug Generator
Convert titles and text into SEO-friendly URL slugs
Text Encryption Tool
Encrypt and decode messages with Caesar cipher, ROT13, Morse code, and more
Add/Remove Line Numbers
Add or remove line numbers from text with customizable formatting
Sleep Calculator
Calculate optimal sleep and wake times based on sleep cycles
Pregnancy Due Date Calculator
Calculate your due date and pregnancy milestones
One Rep Max Calculator
Calculate your estimated one rep max (1RM) for any lift
Savings Goal Calculator
Calculate how much to save monthly to reach your financial goal
Investment Return Calculator
Calculate potential returns and growth of your investments
Hourly to Salary Converter
Convert between hourly wages and annual salary
CAGR Calculator
Calculate the compound annual growth rate between two values
GCF & LCM Calculator
Find the greatest common factor and least common multiple of any set of numbers
Palindrome Checker
Check whether a word, phrase or number reads the same forwards and backwards
Scientific Notation Converter
Convert numbers between decimal, scientific, engineering and E-notation
Whitespace Remover
Strip extra spaces, tabs, blank lines and invisible characters from text
Cubic Bezier Generator
Build custom CSS easing curves with a draggable cubic-bezier editor and live preview
Bill Splitter
Split a bill between any number of people with tip, tax and uneven shares
Ratio Calculator
Simplify ratios to lowest terms and solve proportions for a missing value
Text Repeater
Repeat any text a set number of times with custom separators and numbering
Random Team Generator
Shuffle a list of names into balanced random teams or groups
Love Calculator
Calculate your love compatibility score with anyone for fun
Spin the Wheel
Random picker wheel with custom options, presets, and sound effects
Word Scramble Solver
Find all possible words from scrambled letters with Scrabble scoring
JSON β YAML Converter
Convert between JSON and YAML formats with bidirectional conversion
HTML Entity Encoder/Decoder
Encode and decode HTML entities for special characters
Markdown Editor
Write and preview Markdown with live rendering and formatting tools
Prime Number Checker
Check if a number is prime, get factorization, and generate prime numbers
Combinations & Permutations Calculator
Calculate nCr combinations, nPr permutations, and factorials with step-by-step solutions
Quadratic Equation Solver
Solve axΒ² + bx + c = 0 quadratic equations with step-by-step solutions and graph
Task Priority Matrix
Organize tasks using the Eisenhower Matrix with urgent/important quadrants and drag-drop
Habit Tracker
Track daily habits with streak counting, completion rates, and milestone celebrations
Meeting Agenda Generator
Create professional meeting agendas with templates, time allocation, and PDF export
Note Taking App
Markdown notes with auto-save, search, tags, and keyboard shortcuts for fast note-taking
Time Blocking Planner
Visual daily planner with drag-to-create time blocks, templates, and schedule export
Hashtag Generator
Generate relevant hashtags for Instagram, TikTok, Twitter, and other social platforms
Engagement Rate Calculator
Calculate engagement rates for Instagram, TikTok, Twitter, YouTube, LinkedIn, and Facebook
Social Media Image Resizer
Resize and optimize images for all social media platforms with smart cropping
Bio Generator
Create engaging social media bios for Instagram, Twitter, TikTok, LinkedIn and more
Post Scheduler Preview
Preview how your posts will look on Instagram, Twitter/X, LinkedIn, Facebook, and TikTok
Thread Unroller
Combine Twitter/X threads into a single readable document with multiple export formats
Schema Markup Generator
Generate JSON-LD structured data for better SEO and rich search results
Keyword Density Checker
Analyze keyword density and frequency in your content for SEO optimization
Sitemap Generator
Generate XML sitemaps for your website to improve search engine indexing
UTM Builder
Build trackable campaign URLs with utm_source, utm_medium, utm_campaign and more
Color Name Finder
Find the closest CSS color name for any hex, RGB or HSL color
Periodic Table Explorer
Interactive periodic table with all 118 elements, searchable by name, symbol or number
Word (.docx) to Text & HTML Converter
Convert a Word .docx file to clean plain text or HTML, entirely in your browser
GIF Maker from Images
Create animated GIFs from multiple images with customizable timing and settings
Audio Trimmer & Cutter
Trim and cut audio files with waveform visualization - works entirely in your browser
Audio Format Converter
Convert audio files between MP3, WAV, OGG, FLAC, and AAC formats with custom bitrate and quality settings
Voice Recorder
Record audio directly in your browser with real-time waveform visualization. Multiple takes, quality settings, and instant download
Password Strength Analyzer
Analyze password strength with crack time estimates, pattern detection, and security tips
Encryption Tool
Encrypt and decrypt text using AES, DES, and other encryption algorithms
Paraphrasing Tool
Rewrite text in different styles: formal, casual, creative, or simplified
Text Summarizer
Summarize long text into concise key points and summaries
Reading Time Estimator
Estimate reading and speaking time with complexity analysis and embed code generation
Video to GIF Converter
Convert video clips to animated GIFs with custom settings for size, frame rate, and quality
GIF Compressor
Compress and optimize GIF files to reduce file size while maintaining quality
WCAG Contrast Checker
Test color contrast ratios against WCAG 2.1 AA and AAA accessibility standards
Text to Speech
Convert text to speech with multiple voices, adjustable speed and pitch
Meme Generator
Create memes from images with text overlays, drawing tools, and no watermarks
Code Diff
Compare and highlight differences between two code snippets
Markdown Table Generator
Create Markdown tables with a visual editor. Import CSV, JSON, or Markdown and export in multiple formats
HTML Table Generator
Create accessible HTML tables with a visual editor. Import data, apply styling themes, and export with proper semantic markup
JSON Schema Generator
Generate JSON Schema from sample JSON data. Validate JSON against schemas with detailed error reporting
Changelog Generator
Create professional changelogs in Keep a Changelog format with semantic versioning support
Alt Text Generator Helper
Learn to write accessible alt text with guided prompts, validation, and a quiz mode
Link Text Checker
Check link text for WCAG 2.4.4 accessibility compliance. Find generic text like "click here" and improve link accessibility
Tone Analyzer
Analyze the emotional tone of your writing. Detect formal, casual, confident, friendly, and more tones
Cliche Detector
Find and eliminate cliches in your writing. Get alternative suggestions for fresher, more original phrasing
Invoice Generator Pro
Create professional invoices with templates, client management, and PDF export
Freelance Rate Calculator
Calculate your ideal freelance hourly, daily, and project rates based on income goals
Kanban Board
Visual task management with drag-and-drop cards, multiple boards, and labels
Daily Planner
Plan your day with tasks, time blocks, priorities, and reflection prompts
Unit Price Comparator
Compare unit prices across products to find the best value
Bullet Point Generator
Convert paragraphs into clean bullet point lists
Email Signature Generator
Create professional email signatures with templates and social icons
Font Pairing Tool
Find harmonious font combinations for your design projects
Secure Note Sharer
Share encrypted notes with end-to-end encryption
Cookie Policy Generator
Generate a comprehensive cookie policy for your website
Retirement Calculator
Plan your retirement with projected savings growth, monthly income using the 4% rule, and scenario comparison
Electricity Cost Calculator
Calculate electricity costs for appliances based on wattage, usage hours, and electricity rates
CSS Text Shadow Generator
Create beautiful text shadows with multiple layers and generate CSS code
Flashcard Maker
Create flashcard decks with SM-2 spaced repetition algorithm for effective learning
Quiz Maker
Create interactive quizzes with multiple choice, true/false, and fill-in-the-blank questions
PDF Merger & Splitter
Merge multiple PDFs into one or split a PDF into separate files
Lorem Ipsum for Code
Generate realistic placeholder code snippets in 12 programming languages
Image to PDF Converter
Convert JPG, PNG, WebP, and GIF images to PDF documents with customizable layout
Countdown Widget Generator
Create customizable countdown widgets for your website with theme options and embed code
Ovulation Calculator
Estimate your fertile window, ovulation day and next period
Math Worksheet Generator
Create printable addition, subtraction, multiplication and division worksheets
Video to MP3 Extractor
Extract the audio track from a video and save it as an MP3
Credit Card Validator
Check a card number's Luhn checksum, issuer and length in your browser
hreflang Tag Generator
Build validated hreflang tags for HTML, XML sitemaps or an HTTP Link header
Writing Prompt Generator
Generate story prompts, opening lines and what-if questions to break a blank page
Molar Mass Calculator
Work out the molar mass of any chemical formula, with a per-element breakdown
Citation Generator
Build APA 7, MLA 9 and Chicago citations for websites, books and journal articles
Curl to Code Converter
Turn a curl command into fetch, axios, Python, PHP, Go or Java code
HTML to JSX Converter
Convert HTML into valid JSX for React or Preact, attributes and styles included
Platform Character Counter
Check one post against the character limits of X, Bluesky, Instagram, LinkedIn and more
PDF to Image Converter
Turn PDF pages into PNG, JPG or WebP images in your browser
Wind Chill & Heat Index Calculator
Work out what the temperature actually feels like from wind and humidity
.gitignore Generator
Build a .gitignore from language, framework, editor and OS templates
Passphrase Generator
Generate memorable Diceware passphrases with real entropy figures