Text Comparison Tool Online
Comparing two versions of a document, email, code file, or any text can be tedious when done by eye. Our text comparison tool highlights every difference between two texts — additions, deletions, and changes — so you can spot what changed instantly. Use it for proofreading, code review, contract comparison, or verifying that edits were applied correctly.
Try Emoji Picker NowHow to Compare Two Texts Online
- 1 Open the Text Diff Checker tool.
- 2 Paste the original text into the left panel.
- 3 Paste the modified text into the right panel.
- 4 Click "Compare" to see differences highlighted line by line.
- 5 Review additions (green), deletions (red), and unchanged lines.
Why Use Our Text Comparison Tool
- Side-by-side comparison with color-coded differences.
- Highlights additions, deletions, and modifications clearly.
- Perfect for code reviews, document versioning, and proofreading.
- Works with any text: code, prose, configurations, legal documents.
- Runs in your browser — sensitive documents stay on your device.
Ready to Get Started?
Our Emoji Picker is free, fast, and works right in your browser. No sign-up needed.
Use Emoji Picker FreeFrequently Asked Questions
The tool detects additions (new text), deletions (removed text), and modifications (changed text). Differences are highlighted line by line with color coding.
Yes. The text diff checker works with any text including source code. It is commonly used for quick code reviews when a full Git diff is not available.
There is no hard limit. The tool handles large texts efficiently, but extremely long documents (over 100,000 lines) may take a moment to process.