Beautify or minify JSON with clear validation errors.
Format messy JSON into readable indented output, or minify payloads for APIs. Invalid JSON is flagged with a clear error so you can fix it quickly.
Yes. Formatting requires valid JSON. For validation-focused checks, use our JSON Validator tool.
No. Parsing and formatting run entirely in your browser.
Validate JSON syntax and inspect key counts instantly.
Developer Tools
Encode and decode Base64 strings with proper UTF-8 support.
Developer Tools
Encode and decode URL query strings and path segments safely.
Developer Tools
Convert CSV to JSON and JSON to CSV privately in your browser.
Developer Tools
Count characters with or without spaces, plus UTF-8 byte size.
Text Tools
Generate strong random passwords with customizable character sets.
Productivity Tools