Text Diff
Compare two texts line by line.
100% in your browser — nothing uploadedAbout this tool
Spot the differences between two blocks of text with a line-by-line diff that highlights additions and removals. Compared locally in your browser.
- Files are processed on your device — nothing is uploaded.
- No account, no watermark, no daily limits.
- Works offline once the page has loaded.
Frequently asked questions
- How does the comparison work?
- It computes a line-by-line diff (longest-common-subsequence) and highlights added and removed lines.
- Is my text sent anywhere?
- No. The comparison runs entirely in your browser.
- Is it word-level or line-level?
- Line-level — best for comparing code, config, lists and paragraphs.