Free Online Tools
100+ free tools for text, development, math, and more. No signup required.
Text Tools
15Word Counter
Count words, characters, sentences, and paragraphs in any text.
Case Converter
Convert text between uppercase, lowercase, title case, sentence case, and more.
Lorem Ipsum Generator
Generate placeholder text for designs, mockups, and layouts.
Text Diff Checker
Compare two texts side-by-side and see the differences highlighted.
Slugify
Convert text to URL-friendly slugs for web addresses and file names.
Text Reverser
Reverse any text, words, or sentences instantly.
Line Sorter
Sort lines alphabetically, numerically, or randomly.
Duplicate Line Remover
Remove duplicate lines from text and keep only unique entries.
Word Frequency Counter
Analyze text and see how often each word appears.
Whitespace Remover
Remove extra whitespace, tabs, and blank lines from text.
Add Line Numbers
Add line numbers to any text with customizable formatting.
Text Repeater
Repeat any text a specified number of times.
Fancy Text Generator
Convert text to fancy Unicode styles like bold, italic, script, and more.
Text to Binary
Convert text to binary code and binary back to text.
String Length Calculator
Calculate the byte length of strings in various encodings.
Developer Tools
20JSON Formatter
Format, validate, and beautify JSON data with syntax highlighting.
Base64 Encoder/Decoder
Encode text to Base64 or decode Base64 strings back to plain text.
URL Encoder/Decoder
Encode or decode URL components for safe use in web addresses.
HTML Entity Encoder/Decoder
Encode special characters to HTML entities or decode them back.
Regex Tester
Test regular expressions with real-time matching and group highlighting.
CSS Minifier
Minify CSS code by removing whitespace, comments, and unnecessary characters.
JavaScript Minifier
Minify JavaScript code to reduce file size.
HTML Prettifier
Format and indent HTML code for better readability.
SQL Formatter
Format and beautify SQL queries with proper indentation.
Markdown Preview
Write Markdown and see the rendered preview in real-time.
Cron Expression Parser
Parse and explain cron expressions in human-readable format.
JWT Decoder
Decode and inspect JSON Web Tokens without verification.
CSS Gradient Generator
Create beautiful CSS gradients with a visual editor.
Box Shadow Generator
Design CSS box shadows with a visual editor and get the code.
Meta Tag Generator
Generate HTML meta tags for SEO, social sharing, and more.
Chmod Calculator
Calculate Unix file permissions in numeric and symbolic notation.
CSV to JSON
Convert CSV data to JSON format and vice versa.
XML to JSON
Convert XML data to JSON format.
YAML to JSON
Convert between YAML and JSON formats.
User Agent Parser
Parse and analyze browser user agent strings.
Math Tools
12Percentage Calculator
Calculate percentages, percentage change, and percentage differences.
Scientific Calculator
A full-featured scientific calculator with advanced math functions.
BMI Calculator
Calculate your Body Mass Index and see your health category.
Age Calculator
Calculate exact age in years, months, and days from a birthdate.
Loan Calculator
Calculate monthly payments, total interest, and amortization schedules.
Compound Interest Calculator
Calculate compound interest with customizable rates and periods.
Tip Calculator
Calculate tips and split bills between multiple people.
Discount Calculator
Calculate sale prices, discount amounts, and savings.
Average Calculator
Calculate mean, median, mode, and range of a set of numbers.
Roman Numeral Converter
Convert between Roman numerals and decimal numbers.
Random Number Generator
Generate random numbers within a custom range.
GPA Calculator
Calculate your Grade Point Average from your course grades.
Converters
15Unit Converter
Convert between units of length, weight, temperature, volume, and more.
Color Converter
Convert between HEX, RGB, and HSL color formats with a live preview.
Number Base Converter
Convert numbers between binary, decimal, hexadecimal, and octal bases.
Timestamp Converter
Convert Unix timestamps to human-readable dates and back.
Morse Code Translator
Convert text to Morse code and decode Morse code back to text.
Time Zone Converter
Convert times between different time zones worldwide.
Cooking Unit Converter
Convert between cups, tablespoons, milliliters, grams, and more.
Hex to Text
Convert hexadecimal strings to readable text and back.
Markdown to HTML
Convert Markdown text to HTML code.
CSV to Table
Convert CSV data to a formatted HTML table.
NATO Phonetic Alphabet
Convert text to NATO phonetic alphabet spelling.
Currency Converter
Convert between major world currencies with approximate rates.
Image to Base64
Convert images to Base64 encoded strings for embedding in code.
JSON to TypeScript
Generate TypeScript interfaces from JSON data.
PX to REM Converter
Convert between pixels and rem units for responsive design.
Generators
13Password Generator
Generate strong, secure random passwords with customizable options.
UUID Generator
Generate universally unique identifiers (UUID v4) instantly.
QR Code Generator
Generate QR codes from any text or URL for easy sharing.
Color Palette Generator
Generate harmonious color palettes for your design projects.
Fake Data Generator
Generate fake names, emails, addresses, and more for testing.
Placeholder Image Generator
Generate placeholder images of any size with custom colors and text.
Invoice Generator
Create professional invoices that you can print or save as PDF.
Credit Card Validator
Validate credit card numbers using the Luhn algorithm.
Emoji Picker
Browse, search, and copy emojis organized by category.
Random Color Generator
Generate random colors with HEX, RGB, and HSL values.
.htaccess Generator
Generate Apache .htaccess rules for redirects, security, and caching.
Robots.txt Generator
Generate robots.txt files to control search engine crawling.
Privacy Policy Generator
Generate a basic privacy policy for your website.
Image Tools
5Image Resizer
Resize images to any dimensions right in your browser.
Image Cropper
Crop images to custom dimensions or aspect ratios.
Image Compressor
Compress images to reduce file size while maintaining quality.
SVG to PNG Converter
Convert SVG vector images to PNG raster format.
Favicon Generator
Generate favicons in multiple sizes from any image.
Crypto & Security
8Hash Generator
Generate MD5, SHA-1, and SHA-256 hashes from any input text.
Text Encryption/Decryption
Encrypt and decrypt text using AES encryption.
ROT13 Encoder
Encode and decode text using the ROT13 substitution cipher.
Caesar Cipher
Encrypt and decrypt text using the Caesar cipher with custom shift.
Password Strength Checker
Check how strong your password is and get improvement suggestions.
Checksum Calculator
Calculate and verify file checksums (MD5, SHA-1, SHA-256).
IP Address Lookup
Look up your public IP address and basic network information.
WHOIS Lookup
Look up domain registration information.
SEO & Marketing
7Open Graph Preview
Preview how your website looks when shared on social media.
Keyword Density Checker
Analyze keyword density and frequency in your content.
Google SERP Preview
Preview how your page will look in Google search results.
UTM Link Builder
Build UTM-tagged URLs for tracking marketing campaigns.
Email Validator
Validate email address format and check for common issues.
Twitter Card Preview
Preview how your content will look when shared on Twitter/X.
Readability Checker
Check the readability score and reading level of your content.
Utilities
5Pomodoro Timer
Stay focused with the Pomodoro technique — 25 min work, 5 min break.
Countdown Timer
Set a countdown timer to any date or duration.
Stopwatch
A simple stopwatch with lap tracking functionality.
Online Notepad
A simple browser-based notepad that saves to local storage.
Screen Resolution Detector
Detect your screen resolution, viewport size, and device pixel ratio.