Developer tools

Format, validate, minify, upload, copy, and download JSON.

Encode and decode Base64 text with UTF-8 support.

Decode JWT headers and payloads, inspect expiry, and learn what is not verified.

Encode and decode URLs or query parameter strings.

Generate one or many UUID v4 values.

Convert Unix timestamps to dates and dates back to Unix time.

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes.

Test JavaScript regular expressions and inspect matches and groups.

Compare two text blocks and highlight added, removed, and changed lines.

Convert a JSON array of objects into downloadable CSV.

Convert simple YAML documents to pretty JSON.

Convert XML into a JSON object representation.

Build cron expressions visually and preview upcoming run examples.

Generate secure random passwords with length and character options.

Convert HEX, RGB, and HSL color values.