Text Comparator
Compare two texts side by side and see differences highlighted in real time. Supports line-by-line and word-by-word comparison. Free, unlimited, and runs entirely in your browser.
Enter text in both fields to compare.
How to use
- 1Paste the original text in field A and the modified text in field B.
- 2Choose the mode: line by line or word by word.
- 3Differences appear immediately — additions in green, deletions in red.
- 4Copy the unified diff with the Copy diff button.
What it's for
- Compare versions of documents or contracts.
- Review changes in code or configuration files.
- Find differences between two word lists.
- Verify whether two texts are identical.
Frequently asked questions
Is it free?
Yes. It is completely free, no sign-up required, and has no usage limits.
Are my texts sent to a server?
No. The comparison is done entirely in your browser; nothing is sent to a server.
What is the difference between line and word mode?
Line mode compares text line by line (like git diff). Word mode compares word by word, which is useful for spotting changes within paragraphs.
What is the maximum supported size?
The tool supports texts with up to 3,000 lines (or words) per side. For larger texts, consider splitting them first.
Do I need to create an account?
No. You can use the tool without signing up or installing anything.