# JSON Formatter

> JSON formatter and validator: pretty print, beautify and validate JSON online with instant error locations. Free, private, runs in your browser, no signup.

- **Canonical URL:** https://boringtoolskit.com/json-formatter/
- **Category:** Text & Developer Tools
- **Evidence level:** catalogue
- **Reviewed:** July 26, 2026
- **Last verified:** 2026-10-12
- **Privacy:** Inputs and results stay in this browser unless the page clearly labels an external request.

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