Text Diff Checker

Compare two texts and find differences between them

Difference Results

How to Use Text Diff Checker

  1. Paste your original text in the Original Text area.
  2. Paste the modified or new text in the Modified Text area.
  3. Click Compare Texts to see the differences highlighted in the output section.
  4. Use the Inline or Side by Side buttons to change the diff view format.
  5. Check Ignore whitespace to ignore differences caused only by spaces, tabs, or line breaks.
  6. Check Case sensitive if you want the comparison to consider uppercase and lowercase letters.
  7. Click Copy Diff Result to copy the highlighted difference to your clipboard.
  8. Click Clear All to reset both text areas and the diff results.

Frequently Asked Questions (FAQ)

It ignores differences caused by spaces, tabs, or line breaks, so the comparison focuses only on visible characters.
By default, the comparison is case-insensitive. You can enable Case sensitive to consider uppercase and lowercase letters.
Inline: Highlights changes directly within the text lines.
Side by Side: Shows the original text on the left and the modified text on the right, with differences highlighted.
Yes, but extremely large texts may take longer to process depending on your browser performance.
No. All comparisons are performed locally in your browser. Your text is not sent to any server.