Diff Checker
Professional text comparison with side-by-side view
Original Text
0 linesModified Text
0 linesWhat is a Diff Checker?
Diff Checker is a free online tool that lets you instantly compare two texts and see the differences side-by-side or in a unified view. Whether you're reviewing code, documents, or data, this tool makes it fast and easy. It's perfect for developers, writers, and anyone needing to spot changes.
Why use this Diff Checker?
- Compare two texts or files instantly
- Side-by-side and unified views
- Great for code review, editing, and data comparison
- Mobile-friendly and privacy-focused
How to use the Diff Checker
- Paste or upload your original and modified text/files.
- Choose your view and options.
- Click Compare to see the differences.
Frequently Asked Questions
What file types are supported?
This tool supports plain text, code, and common file types like .txt, .js, .html, .css, .json, .xml, .md, .py.
Is this tool free and private?
Yes! All comparison happens in your browser. No data is sent to any server.