Developer Tools

Handy free utilities for every developer — formatters, encoders and converters.

Escape quotes and control characters in a JSON string for embedding.

Reverse JSON escaping to restore raw quotes and characters.

Convert an array of JSON objects into a CSV spreadsheet table.

Transform JSON data into an equivalent XML document.

Convert JSON objects into human-friendly YAML syntax.

Parse YAML documents and convert them to JSON.

Turn JSON into a JavaScript object literal or module export.

Indent and tidy messy HTML so it is easy to read and maintain.

Remove comments and whitespace from HTML to reduce page size.

Check HTML for missing closing tags and common markup errors.

Encode text into HTML entities to prevent markup injection.

Decode HTML entities back into plain readable text.