Developer Tools

Convert text between lower case, UPPER CASE, Title Case, camelCase, PascalCase, snake_case, and kebab-case.

Format, validate, and beautify JSON data instantly. Detect errors, minify, or pretty-print your JSON with proper indentation.

Decode and inspect JSON Web Tokens (JWT). View the header, payload, and verify token structure without any external tools.

Encode text to Base64 or decode Base64 strings back to plain text. Supports UTF-8 encoding.

Generate random UUIDs (v4) and other UUID versions. Get single or bulk UUIDs with formatting options.

Encode URLs and query strings for safe use in links, or decode percent-encoded strings back to plain text.