All Tools
Browse all 152 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
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
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
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
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
Password Generator
Generate strong, secure passwords with customizable options
VAT Calculator
Calculate VAT/GST quickly and easily
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
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
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
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
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 ↔ 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
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
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 ↔ 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 ax² + 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