JSON Diff
Compare two JSON documents with side-by-side text diff and structural tree view. Character-level highlighting, change navigation, sort keys, drag & drop, and export — all 100% in your browser.
- Never uploaded — comparing happens in your browser
- No sign-up
- No file limit
- No sign-up, no file limit
Why choose ours?
Two views. Zero uploads. Every feature.
Side-by-side text diff with character-level highlights, plus a structural tree view that understands JSON semantics. Sort keys, navigate changes, export diffs — all in your browser.
| Feature | Ours | jsondiff.com | jsoncompare.com | json-diff.com | extendsclass |
|---|---|---|---|---|---|
| Free & unlimited | |||||
| No account needed | |||||
| Data stays in browser | |||||
| Semantic (tree) diff | |||||
| Side-by-side text diff | |||||
| Character-level highlights | |||||
| Collapsible tree view | |||||
| Change navigation | |||||
| Sort keys option | |||||
| Copy JSON path | |||||
| Export / download diff | |||||
| Drag & drop upload |
Competitor information was accurate at time of publication and may have changed.
Guides & tutorials
How to Compare JSON Files Online for Free
Compare two JSON files side by side with a structural diff. See additions, deletions, and modifications highlighted in a collapsible tree — 100% in your browser.
Compare Two JSON API Responses
Paste two JSON API responses side by side and instantly see every structural difference. Perfect for debugging staging vs production, before/after deploys, and regression testing.