Developer Tools
Essential tools for developers: formatters, encoders, testers, and generators.
Base64 Encoder
Free online Base64 encoder and decoder.
JSON Formatter
Free online JSON formatter. Beautify, minify, and validate JSON.
UUID Generator
Generate RFC 4122 standard UUID (Version 4).
Regex Tester
Test and debug regular expressions with real-time matching.
CSV to JSON
Convert CSV data to JSON format with custom delimiters.
JSON to CSV
Convert JSON arrays to CSV format with nested object flattening.
HTML Formatter
Free online HTML formatter. Beautify, minify, and validate HTML code.
CSS Formatter
Free online CSS formatter. Beautify, minify, and validate CSS code.
JavaScript Formatter
Free online JavaScript formatter. Beautify, minify, and validate JS code.
SQL Formatter
Free online SQL formatter. Beautify, minify, and validate SQL code.
SVG Editor
Edit and preview SVG vector graphics online.
API Tester
Test HTTP API endpoints with various methods.