Developer Tools
Tools for developers and programmers.
Data & Encoding
- UUID Generator
Generate random UUIDs (v4), validate existing ones, and create batches instantly. Features history and bulk operations.
- Base64 Encode / Decode
Robustly encode and decode Base64 strings, including URL-safe variants and binary data.
- URL Encode / Decode
Encode and decode URLs with support for full URLs and query parameters. Handles Unicode, detects already-encoded strings, and validates encoding sequences.
- Hash Generator
Generate secure hash values (SHA-256, SHA-512, SHA-1, etc.) from text or files. Supports multiple algorithms and handles large inputs efficiently.
- URL Parser
Parse and analyze URLs to extract protocol, host, path, query parameters, and hash. Decode and display URL components.
- Query String Builder
Build and encode URL query strings from key-value pairs. Add, edit, or remove parameters with automatic encoding.
- JWT Decoder
Decode and inspect JWT tokens. View header, payload, and signature with expiration validation and claim descriptions.
Formatters
- JSON Formatter & Validator
Validate, repair, beautify, and minify JSON data. Features real-time error highlighting and auto-fix for common syntax issues.
- HTML Formatter
Beautify and format HTML with proper indentation. Works with fragments and embedded styles/scripts.
- JavaScript Minifier
Minify JavaScript files by removing whitespace, comments, and unnecessary characters. Optimize your scripts for production.
- CSS Minifier
Minify CSS files by removing whitespace, comments, and unnecessary characters. Optimize your stylesheets for production.
- XML Formatter
Format, validate, and minify XML documents with proper indentation. Detect syntax errors and beautify your XML data.
- SQL Formatter
Format and beautify SQL queries with syntax highlighting. Support for multiple SQL dialects including MySQL, PostgreSQL, and SQLite.
- YAML Formatter
Format, validate, and minify YAML documents. Convert between JSON and YAML formats with customizable options.