Scanning deeply nested JSON without losing the structure.
Beautify raw output
Pretty Print JSON
Turn compact JSON into neatly indented output that is easier to inspect during development and troubleshooting.
Tool focus
Beautify nested JSON
Input JSON
Paste compact JSON from an API response, log, or config file to pretty print it.
Formatted output
Run the formatter to see output here.
Formatted JSON will appear here.
Why pretty print JSON?
Pretty printing is helpful when JSON is technically valid but frustrating to read. If a payload is deeply nested or packed into one line, beautifying it makes the structure easier to understand without changing the actual values.
Pretty printing is useful for:
Comparing response shapes while debugging API changes.
Making copied JSON easier to share with teammates.
How pretty printing helps
Pretty printing adds spacing, line breaks, and indentation so each level of the JSON structure is easier to follow. That becomes especially valuable when arrays contain objects or when you need to compare similar branches of a response without missing subtle differences.
Useful for API and config work
Many developers paste raw JSON from browser tools, logs, or backend responses into a formatter before doing anything else. It is a quick habit that saves time because it turns an unreadable blob into something you can actually inspect with confidence.
What pretty printing does not do
Pretty printing improves presentation, but it does not fix invalid JSON or incorrect data. If the input is broken, the parser will still fail. That is why this page is useful alongside validation: readability when the data is valid, and clear parser feedback when it is not.
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