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Formatted output
Formatted JSON will appear here.Ready when you are
Paste two JSON documents to compare.
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How local JSON processing works
Privacy protection: All operations run entirely in your browser, and your data is never uploaded to any server, ensuring your privacy and data security.
Frequently Asked Questions
Which operations are supported?
JSON formatting, minification, syntax validation, and structural comparison of two JSON documents.
Does validation point to the error location?
Yes. Syntax errors are pinpointed to the exact line and column for quick fixes.
Is comparison line by line or structural?
It compares by JSON structure, listing the key paths of additions, deletions, and changes item by item.
Is data sent to a server?
No. All processing is done locally in your browser.
Technical References
- JSON Standard — RFC 8259: https://www.rfc-editor.org/rfc/rfc8259