Diff Checker
Compare two blocks of text or code line by line and highlight what was added, removed or changed. Great for reviewing edits.
- Free
- Online
- No limits
- Secure
Your files are processed locally in your browser and never uploaded.
Why use Diff Checker?
Easy to use
Diff Checker was built to be as simple as possible. Add your file, get your result — there's no learning curve.
No installation
It runs right in your web browser. There is nothing to download or install on your device.
100% free
Use Diff Checker as much as you want, completely free — no account and no hidden fees.
Works everywhere
Windows, macOS, Linux, Android or iOS — if you have a browser, it simply works.
Privacy first
We respect your data. Your files are handled with privacy in mind and never kept longer than needed.
Fast & no limits
There are no artificial limits. Process your files quickly, as many times as you need.
Questions and answers
Is Diff Checker free to use?
Yes. Diff Checker is completely free, with no limits and no sign-up required.
Do I need to install any software?
No. Diff Checker works directly in your web browser, on any device.
Are my files safe?
Yes. Your files are processed locally in your browser and are never uploaded to any server.
Which devices and browsers are supported?
Diff Checker works on all modern browsers and operating systems, including Windows, macOS, Linux, Android and iOS.
Is there a limit on how many files I can use?
No. You can use Diff Checker as many times as you like, for free.
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