Text Change Counter

Measure edit counts and similarity locally with selectable line, word, or grapheme granularity.

Original text

Modified text

Granularity

Comparison runs locally in your browser. Interactive diff uses a bounded token count to avoid locking the page on extremely large inputs.

How to use this Text Change Counter

Count inserted, deleted, and unchanged lines, words, or characters between two texts. Enter your values above and the result is calculated directly in your browser. No account is required.

Fast answer, clear inputs

This tool is built around one job: give the answer quickly without forcing a signup or hiding the result. Related tools are linked nearby when the next calculation or conversion is useful.