Compare words and lines in two blocks of plain text. Everything runs locally, with no account required.
TXT · PASTE
Text files ≤ 10 MB · first 2,000 lines · result ≤ 10,000 differences
Compare words and lines in two blocks of plain text.
Content is processed in your browser · Not sent to the application server · Free to use
A line-based longest-common-subsequence algorithm identifies stable context and classifies additions and removals without sending text anywhere.
The comparison is deterministic: the same files and settings produce the same classification. File contents remain inside the current browser session.
No. It remains in the current browser tab and is discarded when you close or reset it.
Yes. You can paste text or select a local text file for either side.
Runs in your browser
Content is processed in your browser and not sent to the application server
Works without an account