Text Compare - Diff Checker Online
Compare two texts and see the differences highlighted. Our diff checker shows additions, removals, and modifications line by line. Perfect for code reviews, document comparison, and content editing.
Features
- Side-by-side comparison - View both texts together
- Highlighted differences - Added, removed, modified lines
- Ignore options - Case insensitive, ignore whitespace
- Swap texts - Quickly swap original and modified
- Summary stats - Count of changes by type
Difference Types
| Type | Color | Meaning |
|---|---|---|
| Added | Green | New lines in modified |
| Removed | Red | Lines deleted |
| Modified | Yellow | Line content changed |
| Same | No color | Identical lines |
How to Compare Texts
- Paste your original text in the left area
- Paste your modified text in the right area
- Enable "Ignore case" or "Ignore whitespace" if needed
- View the comparison result below
- Use "Swap" to switch the texts
Use Cases
- Code review - Compare code versions
- Document editing - Track changes between drafts
- Content updates - See what changed in content
- Configuration - Compare config file versions
- Debugging - Find differences in outputs
FAQs
Is my text data secure?
Yes! All comparison happens in your browser. We never see or store your data.
Can I compare files?
Paste the file contents into the text areas. Direct file upload is not supported.
What's the maximum text size?
Browser processing handles most texts, but very large texts may be slower.
Options Explained
Ignore Case
Treats "Hello" and "hello" as the same. Useful when case doesn't matter.
Ignore Extra Whitespace
Normalizes multiple spaces to single space. Useful when formatting varies.