Free Online Code Tools

Format SQL, JSON, Python, Java. Convert between JSON, YAML, CSV, XML. Test regex, decode JWT, generate hashes. All the tools a developer needs daily.

A ASCII Table R Regex Reference S SQL Formatter & Minifier J JSON to TypeScript J JSON to YAML Converter C CSV to JSON Converter X XML to JSON Converter M Markdown to HTML Converter J JSON Formatter & Validator P Python Code Formatter J Java Code Formatter H HTML to JS Converter R Regex Tester & Escaper J JWT Decoder & Validator F File to Data URI Converter S SVG to Data URI Converter H HTML Entity Encoder H HTML Entity to Unicode Converter S String Escape Tool S Space Remover D Duplicate Line Remover L List Sorter

Frequently Asked Questions

What developer tools are available?

JSON/SQL/Python formatters, regex tester, JWT decoder, hash generators, and data converters.

Is my code data safe?

Yes, all processing happens in your browser. Never uploaded to any server.

What languages are supported?

JavaScript, Python, Java, SQL, JSON, HTML, CSS, and more.

Production-ready?

Yes, all tools handle large files and are production-ready.