JSON Formatter
Format, validate, minify, and inspect JSON snippets directly in the browser.
Privacy
You can use this tool without an account. When practical, processing happens in your browser; accounts only add optional favorites and history.
How to use
- Open JSON Formatter and enter the information requested by the form.
- Review the calculated result and recommendations.
- Copy or reset the result when you are ready to try another scenario.
Examples
- Use JSON Formatter for a focused developer tools task.
- Compare the result against another scenario.
- Copy the final output into your notes, project plan, or documentation.
FAQ
Is JSON Formatter free?
Yes. JSON Formatter is free to use and does not require an account.
Does JSON Formatter save my input?
No input is saved unless you are signed in and explicitly use account features that save history or favorites.
Does JSON Formatter require login?
No. Login is optional and only adds convenience features such as favorites, recent tools, and synced history.
Can I use JSON Formatter on mobile?
Yes. The tool page is designed to work on phones, tablets, laptops, and desktop screens.
Related tools
Developer Tools
Base64 Encoder/Decoder
Encode and decode Base64 for text, files, and images. Convert images to data URLs and decode Base64 back to downloadable files.
Developer Tools
CSV Cleaner & Analyzer
Upload any CSV and instantly detect issues: duplicates, empty cells, invalid emails, bad dates, inconsistent phones, and whitespace. Clean with one click.
Developer Tools
HTML Escape Tool
Escape and unescape HTML entities for safe snippets and documentation.
Developer Tools
JWT Decoder
Decode JWT header and payload locally without verifying or sending tokens.
