What file formats can I compare?
Compare supports JSON, XML, YAML, CSV, and plain text. Paste content or upload files and review differences side by side in your browser.
Signoff Studio · Compare
Paste. Compare. Know.JSON, XML, YAML, CSV, and text—on your device.
We don’t store anything. This session only—close the tab and it’s gone.
PrivateFormat JSON? JSON Formatter. Only comparing JSON? Try our JSON Diff tool. Need to inspect a Bearer token? JWT Decoder. Comparing .env files? Env Diff.
QASignoff Compare
Press Compare when ready. · You’ll see what changed and the exact values.
QASignoff Compare
Ctrl/Cmd + Enter to compare
Compare JSON, XML, YAML, CSV, and text online
Use this browser-based diff tool to check API responses, fixtures, configuration files, and exported tables without leaving your machine. It is built for quick QA reviews and release verification.
How to compare files online
- 1Paste or upload the original content on the left and the updated content on the right.
- 2Choose the format if needed, then run the comparison in your browser.
- 3Review highlighted additions, removals, and changes to confirm what moved.
Why use this compare tool
- Compare JSON, XML, YAML, CSV, and text without sending files to a server.
- Paste payloads or upload files and review differences side by side.
- Keep expected vs actual checks in the browser during debugging.
- Use it free, with no account and nothing stored after you close the tab.
Frequently asked questions
Does this tool store the files I compare?
No. Comparison runs in your browser. QASignoff does not upload or store the content you paste or drop. Close the tab and the session is gone.
When should I use JSON Formatter instead of Compare?
Use JSON Formatter when you only need to beautify, minify, or validate one JSON document. Use Compare when you need a side-by-side diff, including XML, YAML, CSV, or text. Open JSON Formatter
When should I use JSON Diff instead of Compare?
Use JSON Diff when you only need a structural JSON comparison. Use Compare when you also work with XML, YAML, CSV, or mixed text formats. Open JSON Diff
Can I compare API responses and test fixtures?
Yes. Paste expected and actual payloads, exported fixtures, or config files. The side-by-side view is built for QA checks and debugging.
Can I compare .env files here?
Use Env Diff for dotenv and staging vs prod config. It unions keys, masks secrets, and flags production risks. Compare is for JSON, XML, YAML, CSV, and plain text—not a key-by-key env matrix. Open Env Diff
Is the compare tool free?
Yes. The browser tool is free, requires no account, and does not install software. Signoff Studio is the desktop product if you want the same workflow on your machine.
Signoff Studio
Compare here. Keep the rest in one workspace.
Collections, runners, and sign-off—without switching tools.