JSON Formatter & Validator
Paste a JSON document and format it with the indentation you choose, or minify it for production. Detects syntax errors with clear messages and the exact position of the problem.
Operation
Result
Paste your JSON to format it.
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Frequently asked questions
How does it flag errors?+
It shows the line and column of the syntax error with a hint about the expected character.
Does it handle large JSON?+
Yes, although files of several megabytes may slow down the browser.