Convert tools

Text Diff Checker

Compare two texts line by line and highlight added and removed lines.

Convert in your browser · No sign-up

Up to 1,000 lines per text. Case and spaces matter; line endings are normalized. This is a line comparison, not a word comparison.

Up to 100,000 UTF-16 units per input · 0 / 100,000

How to use

  1. Paste your text or load the example.
  2. Choose the mode or options, then run the tool.
  3. Review the result, then copy or download the TXT file.

Example

apple
banana
→
 apple
− banana
+ blueberry

Details and limitations

Compare two texts line by line and highlight added and removed lines.

Up to 1,000 lines per text. Case and spaces matter; line endings are normalized. This is a line comparison, not a word comparison.

Text stays in your browser; it is not sent to a conversion server.

Format references

Tool page updated: