Format, validate and minify JSON.

Encode text to Base64.

Decode Base64 to text.

URL-encode strings.

URL-decode strings.

Generate v4 UUIDs.

Decode JWT header and payload.

Compare two blocks of text line by line with additions and removals highlighted.

Convert CSV to pretty-printed JSON with quoted-field support.

Convert a JSON array of objects to CSV with safe escaping.

Beautify minified HTML into indented, easy-to-read markup.

Strip HTML comments and collapse whitespace in one click.

Escape or unescape HTML entities for safe rendering.

Strip whitespace and comments from CSS.