Developer Tools

Validate and pretty-print JSON.

Encode or decode Base64.

MD5, SHA-1, SHA-256, SHA-512, CRC32.

Generate v4 UUIDs.

Format and beautify SQL queries.

Validate and pretty-print XML.

Beautify and indent HTML.

Format and indent CSS.

Beautify JavaScript source.

Re-indent PHP source.

Validate JSON and pinpoint errors.

Check XML is well-formed.

Validate and format YAML.

Minify HTML markup.

Minify CSS.

Minify JavaScript.

Encode or decode URLs.

Decode a JWT header and payload.

Sign a JWT (HS256/384/512).

Test a regular expression.

Compare two blocks of text.

Render Markdown to HTML.

Convert Unix time and dates.

Get the current Unix time.

Preview the next cron runs.

Build a cron expression.

Convert curl to fetch/PHP.

HEX / RGB / HSL conversion.

Length, weight, temperature.

Generate strong passwords.

Generate random integers.

Generate random strings.

Generate random names.

Shorten long links and get a QR code automatically.