Text Diff Checker

Compare two texts line by line and see what was added or removed.

About this tool

Paste an original and a changed version to highlight the differences. Useful for drafts, configs and code snippets.

How to use Text Diff Checker

  1. Paste the original text on the left.
  2. Paste the changed text on the right.
  3. Press Compare to see additions and removals.

Frequently asked questions

Is the comparison by line?

Yes. Each changed line is shown as removed and added.

Is there a size limit?

Very large inputs (over a few thousand lines) may be slow. The tool limits the input for safety.