JSON Diff Guide
JSON Diff compares two JSON documents and highlights additions, deletions, and changes. SheetEdit Tools offers a free online JSON Diff tool. All processing runs in your browser; no data is uploaded to our servers. This guide covers use cases and tips.
What is JSON Diff?
JSON Diff is a side-by-side comparison of two JSON texts. Instead of scanning two blobs manually, the tool aligns lines and highlights what was removed, added, or modified—similar to a code diff. It is useful when API responses or config files change slightly and you need to see exactly what differs.
Features
- Side-by-side view: Left shows the old version, right shows the new. Line-level differences are easy to spot.
- Color coding: Removed lines in red, added lines in green, unchanged lines with no highlight.
- Line numbers: Each side shows its own line numbers for quick reference.
- Edit mode: Switch back to dual editors to make changes and re-compare.
- File import: Load JSON files from your device (max 2MB).
Usage tips
- API response comparison: Paste before/after API responses to see field changes.
- Config changes: Compare config file versions before deployment.
- Data migration: Verify data integrity after export or conversion.
- Debug workflow: Validate JSON syntax first, then use Diff to compare versions.
All processing runs in your browser. No data is uploaded to our servers.
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