Developer Tools
JSON, Base64, hashing and developer utilities
JSON Formatter
Format and validate JSON data
Base64 Encoder
Encode and decode Base64 strings
Diff Checker
Compare two texts and find differences
Regex Tester
Test regular expressions with highlighting
SQL Formatter
Format and beautify SQL queries
JWT Decoder
Decode and inspect JWT tokens
URL Parser
Parse and analyze URL components
BCrypt Hash
Generate and verify BCrypt hashes
Argon2 Hash
Generate and verify Argon2 hashes
Cron Generator
Generate cron expressions visually
UUID Generator
Generate unique UUIDs/GUIDs
Hex Converter
Convert between hex, decimal and binary
MD5 Hash
Generate MD5 hash from text or files
SHA-256 Hash
Generate SHA-256 hash from text or files
HTML Encoder
Encode and decode HTML entities
JSON Schema Validator
Validate JSON data against a JSON Schema
JSON Schema Generator
Generate a JSON Schema from sample JSON data
XML Formatter
Format, validate and minify XML documents
YAML Formatter
Format and validate YAML documents
TypeScript Formatter
Format and beautify TypeScript code
SQL Query Generator
Visually build SELECT, INSERT, UPDATE and DELETE queries
API Request Builder
Build and send HTTP requests and inspect the response
HTTP Header Viewer
Fetch a URL and inspect its response headers
YAML ⇄ JSON
Convert between YAML and JSON formats
TOML ⇄ JSON
Convert between TOML and JSON formats
JSON ⇄ XML
Convert between JSON and XML formats
CSS Minifier / Beautifier
Minify or beautify CSS code
JavaScript Minifier / Beautifier
Minify or beautify JavaScript code
HTML Preview Editor
Live HTML/CSS/JS playground
CSS Gradient Generator
Visually build CSS gradients
CSS Box Shadow Generator
Visually build CSS box-shadows
CSS Border Radius Generator
Visually build CSS border-radius
Color Contrast Checker
Check WCAG accessibility compliance
JSON to Code
Generate TypeScript, C# or Java classes from sample JSON
Mock Data Generator
Generate realistic fake names, emails and addresses as CSV or JSON