FastTextTools

Text Diff Checker

Compare two pieces of text side by side and instantly see the differences highlighted line by line.

How to Use

  1. 1Paste your original text into the left textarea labeled Original.
  2. 2Paste the modified version into the right textarea labeled Modified.
  3. 3Click the Compare button to generate the diff.
  4. 4Added lines are marked with a green left border and a + prefix, while removed lines have a red left border and a - prefix.
  5. 5A summary of total additions and deletions is shown above the diff output.
  6. 6Use the Copy button to copy the full diff to your clipboard, or Clear to reset both inputs.