JSON Compare – Diff Two JSON Files Online Free
Compare two JSON documents online free — see every added, removed, and changed value with its path. No signup.
Tool Interface
How to use
- Paste your two JSON documents into JSON A and JSON B (or load .json files).
- Tick Ignore array order if reordered lists should count as equal.
- Click Compare JSON to see every added, removed, and changed value with its path.
- Comparison is semantic — key order never matters, and everything runs in your browser.
Rate this tool
About This Tool
About This Tool
JSON Compare finds the difference between two JSON documents online, free. Paste or load two JSON files and see every added, removed, and changed value with its exact path. 100% client-side — no signup needed.
How to Use
- Paste your two JSON documents into JSON A and JSON B (or load .json files).
- Tick Ignore array order if reordered lists should count as equal, or Case-insensitive strings if letter case should not matter.
- Click Compare JSON.
- Review every difference with its path; copy the results if needed.
Key Features
- Semantic diff — key order never matters
- Added / removed / changed badges with exact paths
- Ignore-array-order and case-insensitive options
- Load .json files, swap A/B, one-click sample data
- Copy results to clipboard
- Everything runs in your browser
Why Choose Trencada
Free forever, no signup, files never leave your device.
FAQs
Is it really free?
Yes, free with no signup.
Do my files get uploaded?
No, comparison runs 100% in your browser.
What if my JSON is invalid?
The tool shows exactly which side failed and why.
Does key order matter?
No, comparison is semantic.
Can I compare JSON files, not just pasted text?
Yes, use Load .json file on either side.
Can I copy the diff?
Yes, Copy results puts the full list on your clipboard.