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