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How to use JSON Formatter
JSON Formatter. Beautify JSON with 2, 4 spaces or tabs. No. Parsing and formatting use your browser's built-in JSON engine, so API keys and private data in…
The short answer
To format JSON, paste it or open a .json file and click Format: ClickZM validates it, pretty-prints it with 2 or 4 spaces or tabs, can sort keys alphabetically, and shows the exact line and column of any syntax error.
It runs in your browser. What you enter is not uploaded.
How to use it
Type or paste your input into the JSON Formatter.
Choose any options you need.
See the result update instantly.
Copy the result or download it.
Limits worth knowing
Is my JSON sent to a server? No. Parsing and formatting use your browser's built-in JSON engine, so API keys and private data in the JSON stay on your device.
Can it fix invalid JSON? It points to the error and explains common causes such as trailing commas, single quotes and unquoted keys, so you can fix it in seconds.