Diff Checker
Compare two blocks of text, line by line.
Embed this tool on your site
Free — a link back to LoopStook is included.
What is the Diff Checker?
Compare two blocks of text online for free. See added, removed, and unchanged lines, entirely in your browser.
How to use the Diff Checker
- 1
Add your text
Paste or type your content into the Diff Checker.
- 2
Set any options
Adjust the available options to fit exactly what you need.
- 3
Copy or download the result
The output is generated instantly in your browser — copy it or download it. Nothing is uploaded to a server.
Frequently asked questions
Is the diff checker free?
Yes — it runs entirely in your browser, so it's free, private, and instant. Nothing is uploaded.
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