Developer Tools

9 tools

A tidy toolbox for developers — format and validate JSON, encode and decode Base64 and URLs, convert Markdown, minify code, generate hashes, and test regular expressions with live highlighting.

JSON to CSV

Convert JSON ↔ CSV, flattening nested data with a notice.

JSON Formatter

Format, validate and minify JSON with precise errors.

Base64 Encode/Decode

Encode and decode text and files to and from Base64.

URL Encode/Decode

Encode or decode URLs — component or full-URL mode.

Markdown to HTML

Convert Markdown ↔ HTML with a live split preview.

Code Minifier

Minify JS, CSS and HTML and see the size you saved.

Hash Generator

Hash text or files with MD5, SHA-1, SHA-256 and more.

Regex Tester

Test regular expressions with live match highlighting.

HEX to RGB

Convert between HEX, RGB and HSL with a live swatch.