Developer tools that just work.
Fast, simple and free tools for your everyday workflow. Everything runs in your browser.
No tools found.
Popular tools
Column to Array
Convert a column of values into a JavaScript, JSON, Python, SQL or CSV list.
JSON Formatter
Format, validate and minify JSON with clear error messages.
UUID Generator
Generate random UUID v4 identifiers, one or in bulk.
JWT Decoder
Decode a JSON Web Token and inspect its header, payload and expiry.
Base64 Encoder/Decoder
Encode text to Base64 or decode Base64 back to text, with UTF-8 support.
JSON to TypeScript
Generate TypeScript interfaces from a JSON sample.
SQL Formatter
Format SQL queries with consistent indentation and keyword case.
Regex Tester
Test regular expressions against sample text and see every match.
Categories
Recently added
JSON Formatter
Format, validate and minify JSON with clear error messages.
UUID Generator
Generate random UUID v4 identifiers, one or in bulk.
JWT Decoder
Decode a JSON Web Token and inspect its header, payload and expiry.
Base64 Encoder/Decoder
Encode text to Base64 or decode Base64 back to text, with UTF-8 support.
Column to Array
Convert a column of values into a JavaScript, JSON, Python, SQL or CSV list.