Text Diff
Paste two versions of a text, then compare them to see what changed.
- Paste the original text into the first box
- Paste the modified text into the second box
- Click Compare to see the line-by-line differences
- Copy the diff or a shareable link with the buttons
Is my data safe?
Yes. All comparison happens in your browser. Nothing is sent to a server.
What do the colors mean?
Green lines were added, red lines were removed, and highlighted words show the exact text that changed within a line.
What is the largest input supported?
Each side can be up to 500,000 characters. Larger inputs are rejected to keep the page responsive.