Text Diff — Compare Two Texts Online Free
Free · Private · No sign-up🔒 Your files never leave your device
Loading tool…
Compare two versions of a text side by side and see exactly what was added, removed, or changed, highlighted inline — useful for comparing drafts, code snippets, or document revisions.
How to use text diff
- 1Paste the original text on the left and the changed text on the right.
- 2The differences are highlighted automatically as you type.
- 3Green highlights show additions; red, strikethrough highlights show removals.
Frequently asked questions
How is the comparison calculated?
The tool compares the two texts word by word (including whitespace) and highlights what changed between them.
Can I compare large documents?
Yes, though very large texts may take a moment longer to compute the diff.
Is my text uploaded anywhere?
No — the comparison runs entirely in your browser.