All tools
235 free tools organized by category. Every tool runs in your browser — your data never leaves your device.
Formatters & Beautifiers
Format and beautify code, JSON, XML, SQL and more
JSON Formatter
Format, validate, and beautify JSON data instantly
SQL Formatter
Format and beautify SQL queries for better readability
HTML Formatter
Beautify and format HTML code with proper indentation
CSS Formatter
Format and beautify CSS code with proper indentation
XML Formatter
Format and validate XML documents with syntax highlighting
JavaScript Formatter
Format and beautify JavaScript code instantly
YAML Formatter
Format and validate YAML with syntax highlighting
TOML Formatter
Format and validate TOML configuration files
TypeScript Formatter
Format and beautify TypeScript code
Python Formatter
Format Python code with PEP 8 style guidelines
Encoders & Decoders
Encode and decode Base64, URL, HTML, JWT and more
Base64 Encoder/Decoder
Encode and decode Base64 strings instantly
URL Encoder/Decoder
Encode and decode URLs and query parameters
HTML Entity Encoder/Decoder
Encode and decode HTML entities
JWT Decoder
Decode and inspect JSON Web Tokens
Unicode Converter
Convert between Unicode, UTF-8, and escape sequences
Generators
Generate UUIDs, passwords, lorem ipsum, hashes and more
UUID Generator
Generate UUIDs v4 and v7 instantly
Password Generator
Generate strong, secure passwords with custom rules
Lorem Ipsum Generator
Generate placeholder text for designs and mockups
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-512 hashes
Regex Tester
Test and debug regular expressions with real-time matching
Cron Expression Generator
Build and validate cron expressions visually
Random Number Generator
Generate random numbers with custom ranges and options
Random String Generator
Generate random strings with custom character sets
Random Color Generator
Generate random colors with HEX, RGB, and HSL values
Placeholder Image Generator
Generate placeholder images with custom dimensions and colors
Fake Data Generator
Generate realistic fake data for testing — names, emails, addresses
WiFi QR Code Generator
Generate QR codes for WiFi network sharing
vCard QR Code Generator
Generate QR codes for contact information sharing
Bulk QR Code Generator
Generate multiple QR codes at once from a list
Barcode Generator
Generate barcodes in Code128, EAN-13, UPC-A, and more formats
Regex Generator
Generate regular expressions from example text patterns
Color Name Finder
Find the name of any color from HEX or RGB values
Meme Generator
Create memes with custom text on images
Invoice Generator
Create professional invoices and download as PDF
Resume Builder
Build a professional resume with templates
Converters
Convert between formats like JSON to YAML, CSV to JSON, Markdown to HTML
JSON to YAML Converter
Convert JSON to YAML and back instantly
CSV to JSON Converter
Convert CSV data to JSON format
Markdown to HTML
Convert Markdown to HTML with live preview
Number Base Converter
Convert between binary, octal, decimal, and hexadecimal
Color Converter
Convert between HEX, RGB, HSL, and CMYK color formats
Unix Timestamp Converter
Convert Unix timestamps to human-readable dates and back
JSON to CSV
Convert JSON arrays to CSV format
YAML to JSON
Convert YAML to JSON format
HTML to Markdown
Convert HTML to Markdown format
Pixels to REM Converter
Convert between pixels and REM units
Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin
Text to Binary
Convert text to binary and binary to text
Text to Hex
Convert text to hexadecimal and hex to text
Roman Numeral Converter
Convert between Roman numerals and decimal numbers
Length Converter
Convert between meters, feet, inches, miles, and more
Weight Converter
Convert between kg, pounds, ounces, grams, and more
Speed Converter
Convert between km/h, mph, m/s, knots, and more
JSON to XML Converter
Convert JSON data to XML format
XML to JSON Converter
Convert XML data to JSON format
Date Formatter
Format dates in any pattern — ISO 8601, RFC 2822, custom formats
SQL to MongoDB
Convert SQL queries to MongoDB query syntax
JSON to SQL
Convert JSON data to SQL INSERT statements
CSV to SQL
Convert CSV data to SQL INSERT statements
Markdown to Plain Text
Strip Markdown formatting and get plain text
TSV to CSV
Convert tab-separated values to comma-separated values
Markdown Table Generator
Generate Markdown tables with a visual editor
HTML Table to CSV
Convert HTML tables to CSV format
CSV to Markdown Table
Convert CSV data to Markdown table format
Data Rate Converter
Convert between Mbps, Gbps, MB/s, and more
Angle Converter
Convert between degrees, radians, gradians, and turns
Pressure Converter
Convert between PSI, bar, atm, Pa, and more
Time Zone Converter
Convert times between any time zones worldwide
Inches to CM
Convert between inches and centimeters instantly
KG to LBS
Convert between kilograms and pounds instantly
Miles to KM
Convert between miles and kilometers instantly
Cups to ML
Convert between cups, milliliters, tablespoons, and teaspoons
Text Tools
Word counter, case converter, diff checker, string utilities
Word Counter
Count words, characters, sentences, and paragraphs
Case Converter
Convert text between uppercase, lowercase, title case, and more
Text Diff Checker
Compare two texts and highlight the differences
String Escape/Unescape
Escape and unescape strings for various languages
Text to Slug Converter
Convert text to URL-friendly slugs
Text Repeater
Repeat text multiple times with custom separators
Remove Duplicate Lines
Remove duplicate lines from text
Line Counter
Count lines, blank lines, and non-empty lines in text
Text Reverser
Reverse text, words, or lines
Add Line Numbers
Add line numbers to text or code
Remove Line Breaks
Remove line breaks and join text into a single line
Sort Lines
Sort lines alphabetically, numerically, or by length
Find and Replace
Find and replace text with regex support
Extract Emails from Text
Extract all email addresses from any text
Extract URLs from Text
Extract all URLs and links from any text
Text to ASCII Art
Convert text to ASCII art with multiple font styles
Whitespace Remover
Remove extra whitespace, tabs, and spaces from text
Character Map
Browse and copy Unicode characters, symbols, and emojis
Lorem Ipsum Alternatives
Generate placeholder text in different styles and languages
Remove HTML Tags
Strip all HTML tags from text and get plain content
Extract Phone Numbers
Extract all phone numbers from any text
Number to Words
Convert numbers to written words (English)
Uppercase to Lowercase
Convert text from UPPERCASE to lowercase instantly
Text to Speech
Convert text to speech using browser speech synthesis
Fancy Text Generator
Convert text to fancy Unicode fonts and styles
Invisible Character Generator
Generate invisible Unicode characters for various uses
Web Tools
Meta tag generator, Open Graph preview, robots.txt generator, sitemap tools
Meta Tag Generator
Generate SEO meta tags for your website
Open Graph Preview
Preview how your links look when shared on social media
Robots.txt Generator
Generate robots.txt files for your website
HTTP Status Code Reference
Complete reference for all HTTP status codes
Sitemap Generator
Generate XML sitemaps for your website
Htaccess Generator
Generate .htaccess rules for redirects, caching, and security
CSP Header Generator
Generate Content Security Policy headers
Mailto Link Generator
Generate mailto links with subject, body, CC, and BCC
Table of Contents Generator
Generate a table of contents from Markdown headings
What Is My IP
Find your public IP address and location details
User Agent Parser
Parse and decode browser user agent strings
ARIA Role Reference
Complete reference for WAI-ARIA roles and attributes
PWA Manifest Generator
Generate Web App Manifest files for Progressive Web Apps
IP Address Lookup
Look up details for any IP address — location, ISP, and more
DNS Lookup
Look up DNS records for any domain — A, AAAA, MX, CNAME, TXT
SSL Certificate Checker
Check SSL certificate details and expiration for any domain
Website Speed Test
Test your website loading speed and performance
Broken Link Checker
Find broken links on any webpage
CSS Tools
CSS minifier, gradient generator, flexbox playground, unit converter
CSS Gradient Generator
Create beautiful CSS gradients with a visual editor
CSS Flexbox Playground
Learn and experiment with CSS Flexbox visually
CSS Box Shadow Generator
Create CSS box shadows with a visual editor
CSS Unit Converter
Convert between px, rem, em, vh, vw, and more
CSS Border Radius Generator
Create custom border radius shapes visually
CSS Text Shadow Generator
Create CSS text shadows with a visual editor
CSS Grid Generator
Build CSS Grid layouts visually
CSS Clip Path Generator
Create CSS clip-path shapes with a visual editor
CSS Animation Generator
Create CSS animations with a visual timeline editor
Tailwind CSS Converter
Convert regular CSS to Tailwind CSS utility classes
Crypto & Security
Hash generators, encryption tools, password strength checker
Password Strength Checker
Check how strong your password is
HMAC Generator
Generate HMAC signatures for API authentication
Bcrypt Hash Generator
Generate and verify bcrypt password hashes
RSA Key Generator
Generate RSA public/private key pairs
Privacy Policy Generator
Generate a privacy policy for your website or app
Terms of Service Generator
Generate terms of service for your website or app
Math & Numbers
Number base converter, percentage calculator, unix timestamp tools
Percentage Calculator
Calculate percentages, increases, decreases, and ratios
Byte Converter
Convert between bytes, KB, MB, GB, TB, and PB
Scientific Calculator
Full-featured scientific calculator with advanced functions
Aspect Ratio Calculator
Calculate aspect ratios and resize dimensions proportionally
Tip Calculator
Calculate tips and split bills between people
Loan Calculator
Calculate monthly payments, total interest, and amortization
Discount Calculator
Calculate discounts, sale prices, and savings
Age Calculator
Calculate exact age in years, months, and days
Stopwatch & Timer
Online stopwatch and countdown timer with lap tracking
Date Difference Calculator
Calculate the difference between two dates in days, weeks, months
BMI Calculator
Calculate Body Mass Index from height and weight
Salary Calculator
Convert between hourly, daily, weekly, monthly, and annual salary
Compound Interest Calculator
Calculate compound interest with monthly contributions
GPA Calculator
Calculate your GPA from course grades and credit hours
Image Tools
Color picker, image to Base64, SVG optimizer, favicon generator
Color Picker
Pick colors and get HEX, RGB, HSL values
Image to Base64
Convert images to Base64 encoded strings
SVG Optimizer
Optimize and minify SVG files
Image Resizer
Resize images to any dimension while maintaining quality
Image Cropper
Crop images with a visual editor and preset aspect ratios
Image Compressor
Compress images to reduce file size without losing quality
PNG to JPG Converter
Convert PNG images to JPG format instantly
JPG to PNG Converter
Convert JPG images to PNG format with transparency support
Image to WebP Converter
Convert images to WebP format for smaller file sizes
WebP to PNG Converter
Convert WebP images to PNG format
Image Flipper
Flip images horizontally or vertically
Image Rotator
Rotate images by any angle
Image Grayscale Converter
Convert images to black and white / grayscale
Image Blur Tool
Add blur effect to images
Image Brightness/Contrast
Adjust image brightness and contrast
Favicon Generator
Generate favicons from any image in all required sizes
Image Watermark
Add text watermarks to images
Image Color Picker
Pick colors from any uploaded image
Image Sepia Filter
Apply vintage sepia tone to images
Image Invert Colors
Invert all colors in an image
Image Pixelate
Pixelate images or specific areas for privacy
Image Border Adder
Add borders and frames to images
Image Background Remover
Remove backgrounds from images automatically
Image to PDF
Convert images to PDF documents
Screenshot to Code
Convert screenshots to HTML/CSS code
SVG to PNG Converter
Convert SVG files to PNG images at any resolution
SVG Editor
Edit SVG code with live preview
PNG to SVG Tracer
Convert raster images to SVG vector format
Image to Text (OCR)
Extract text from images using OCR technology
Image Collage Maker
Create photo collages with multiple images
Image Overlay Text
Add text overlays to images with custom fonts and styles
PDF Tools
Merge, split, compress, and convert PDF files
PDF Merge
Merge multiple PDF files into one document
PDF Split
Split a PDF into separate pages or ranges
PDF Compress
Compress PDF files to reduce file size
PDF to Image
Convert PDF pages to PNG or JPG images
Image to PDF
Convert multiple images to a single PDF document
PDF Page Rotator
Rotate PDF pages by 90, 180, or 270 degrees
PDF Page Reorder
Reorder pages in a PDF document by drag and drop
Add Watermark to PDF
Add text or image watermarks to PDF documents
PDF to Text
Extract text content from PDF documents
JSON Tools
Validate, compare, flatten, and transform JSON data
JSON Validator
Validate JSON syntax and show detailed error messages
JSON to TypeScript
Generate TypeScript interfaces from JSON data
JSON Path Finder
Find and extract values from JSON using JSONPath expressions
JSON Diff
Compare two JSON objects and highlight differences
JSON Minifier
Minify JSON by removing whitespace and formatting
JSON Tree Viewer
Visualize JSON data as an interactive collapsible tree
Developer Utilities
Chmod calculator, cron builder, HTTP headers, and more
Chmod Calculator
Calculate Unix file permissions visually
HTTP Headers Lookup
Complete reference for HTTP request and response headers
Epoch Converter
Convert between epoch timestamps and human-readable dates
JSON Escape/Unescape
Escape and unescape JSON strings
Diff Checker
Compare two texts or code snippets and highlight differences
QR Code Generator
Generate QR codes from text, URLs, or any data
JSON Path Evaluator
Evaluate JSONPath expressions against JSON data
Regex to English
Convert regular expressions to plain English descriptions
Crontab Guru
Validate and explain cron expressions with next run times
HTTP Status Code Lookup
Look up any HTTP status code with description and usage
JWT Generator
Generate JWT tokens with custom claims and signing
API Request Builder
Build and test HTTP requests with a visual interface
.env File Validator
Validate .env files and check for common issues
Git Commit Message Generator
Generate conventional commit messages from a description
.gitignore Generator
Generate .gitignore files for any project type
Dockerfile Generator
Generate Dockerfiles for common project types
Docker Compose Generator
Generate docker-compose.yml files visually
cURL to Code Converter
Convert cURL commands to JavaScript, Python, Go, and more
Kubernetes YAML Generator
Generate Kubernetes deployment, service, and ingress YAML
Code Diff Viewer
Compare code files with syntax-highlighted diff view
Color Tools
Color palettes, contrast checkers, gradient generators, and color scheme tools
Color Palette Generator
Generate beautiful color palettes from a base color
Color Contrast Checker
Check WCAG color contrast ratios for accessibility
Tailwind CSS Color Finder
Find the closest Tailwind CSS color class for any color
Gradient CSS Generator
Create multi-stop CSS gradients with a visual editor
Color Blindness Simulator
Simulate how colors appear to people with color blindness
Color Shades Generator
Generate tints and shades of any color
Image Color Palette Extractor
Extract the dominant color palette from any image
SEO Tools
Meta tag analyzers, keyword tools, sitemap generators, and SEO checkers
SEO Meta Tag Analyzer
Analyze and score your page meta tags for SEO
Keyword Density Checker
Analyze keyword density and word frequency in text
Google SERP Preview
Preview how your page appears in Google search results
Schema Markup Generator
Generate JSON-LD structured data for rich search results
XML Sitemap Generator
Generate XML sitemaps from a list of URLs
Canonical URL Checker
Check and generate canonical URL tags
Open Graph Debugger
Debug and preview Open Graph tags for social sharing
Heading Structure Checker
Check heading hierarchy (H1-H6) for SEO best practices
Minifiers
Minify CSS, JavaScript, HTML, and SVG to reduce file sizes
Encoding Tools
Encode and decode text in various formats
Morse Code Translator
Convert text to Morse code and back
Binary to Text Converter
Convert binary to text and text to binary
Hex to Text Converter
Convert hexadecimal to text and text to hex
ROT13 Encoder/Decoder
Encode and decode text using ROT13 cipher
Punycode Converter
Convert between Unicode domain names and Punycode
URL Shortener
Create short URLs from long links