Grammar Checker FREE
No text checked yet.
Enter text and click Check Grammar.
Side-by-Side Diff
Compare two text documents in two columns side-by-side
Inline Comparison
View changes inline with additions and deletions highlighted
Word Highlights
Highlights differences down to individual words or characters
100% Client-Side
All calculations run in your browser sandbox
About Text Diff Checker
The Toolinium Text Diff Checker helps developers, translators, and editors compare text. It highlights deletions, additions, and modifications between two text files or code drafts in side-by-side or inline view modes.
How To Use
- Paste the original text in the left panel and the updated version in the right panel
- The differences highlight automatically (additions in green, deletions in red)
- Toggle between Side-by-Side and Inline comparison views
- Copy the comparison results or reset the workspace
Frequently Asked Questions
What does a Diff Checker do?
A diff checker compares two files or text blocks to identify differences, highlighting deletions in red and additions in green.
Can it compare source code files?
Yes. It is perfect for comparing source code, scripts, HTML files, CSS sheets, and drafts.
Is there a character limit?
No. It compares long text blocks quickly inside your browser memory.
Is my code sent to a database?
No, all calculations are executed purely in your browser, keeping your code secure.