JSON Formatter and Validator

Format, validate, or minify JSON locally with readable error feedback. Keep API samples and configuration text in your browser session.

How to use this tool

1. Open JSON Formatter and Validator and add only the details or file you have verified.
2. Use the visible action to format, validate, and minify JSON in the browser with readable error feedback.
3. Inspect the result and stated limitation before copying or downloading the output.

Questions

What does JSON Formatter and Validator do?

Format, validate, or minify JSON locally with readable error feedback. Keep API samples and configuration text in your browser session. Review the output before using it outside this browser workspace.

Does JSON Formatter and Validator upload my input?

The visible result is generated from the values you enter in the current browser session.

What should I check before using JSON Formatter and Validator?

Confirm the source details, visible result, and any dev limitation shown on the page before relying on it.

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Review the visible result and keep the original source until the output works in its final context.