Text & Data
JSON Validator & Formatter
Validate and format JSON data with syntax highlighting
Slug Generator
Generate SEO-friendly slugs from text
Text Diff Checker
Compare two text strings and highlight the differences
Case Converter
Convert text between different cases (lower/upper/title/camel/snake/kebab)
HTML Entities Converter
Encode and decode HTML entities
JSON to CSV Converter
Convert JSON data to CSV format
Word/Character Counter
Count words, characters, sentences, and paragraphs in your text
YAML to JSON Converter
Convert YAML files to JSON format
Lorem Ipsum Generator
Generate placeholder text for your projects
XML Formatter & Validator
Format and validate XML data
Regular Expression Tester
Test and debug regular expressions
Markdown to HTML Converter
Convert Markdown to HTML
Web & API
Encoding & Security
JWT Debugger
Decode and inspect JWT tokens (header/payload)
URL Encoder/Decoder
Encode and decode URLs and query parameters
QR Code Generator
Generate QR codes from text, URLs, or other data
bcrypt Hasher
Hash passwords using bcrypt algorithm
UUID/GUID Generator
Generate UUIDs (Universally Unique Identifiers)
Base64 Encoder/Decoder
Encode and decode text using Base64 encoding
Password Generator
Generate strong, random passwords
MD5/SHA-1/SHA-256 Generator
Generate MD5, SHA-1, and SHA-256 hashes from text
CSS & Frontend
Keycode Event Checker
Check key codes and key events for keyboard keys
RGB/HEX/HSL Converter
Convert colors between RGB, HEX, and HSL formats
Flexbox Playground
Learn and experiment with CSS Flexbox
Meta Tag Generator
Generate meta tags for SEO and social media
Border Radius Previewer
Preview and generate CSS border-radius values
CSS Gradient Generator
Create beautiful CSS gradients with a visual editor
CSS Box Shadow Generator
Generate CSS box shadows with a visual editor
Math & Utilities
Unit Converter
Convert between different units of measurement
Cron Expression Generator
Generate and parse cron expressions
Random Number Generator
Generate random numbers within a range
Percentage Calculator
Calculate percentages and percentage changes
Unix Timestamp Converter
Convert between Unix timestamps and human-readable dates
Roman Numeral Converter
Convert between Roman numerals and numbers
Random Name Generator
Generate random names for people, places, and things
ICO Converter
Convert images to ICO format for favicons
Temperature Converter
Convert between temperature units
Integer Base Converter
Convert between different number bases
Aspect Ratio Calculator
Calculate aspect ratios and resize dimensions