About JSON Formatter & Validator
JSON Formatter & Validator is a focused developer utility for everyday data preparation, debugging, and verification. It is designed to give you a useful result quickly without requiring an account.
Format, minify, and validate JSON online for free with local browser processing. The interface is designed to keep the important input, options, and result close together so you can finish a small development task without leaving your browser.
How to use this developer tool
- Open JSON Formatter & Validator on any modern browser.
- Enter or upload the data you want to process and choose the relevant options.
- Review the result, then copy or download it when it looks correct.
Privacy and data handling
This tool is designed for local browser processing. Avoid entering secrets or production credentials unless the page explicitly explains why network access is required.
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Frequently asked questions
Is JSON Formatter & Validator free to use?
Yes. The tool is available in the browser without an account, subject to the site's general usage policies.
Is my input uploaded?
Most browser-based tools process input locally. Check the notice on the tool surface before using sensitive data.