Text Diff

This free online text diff tool compares two texts and highlights the differences.

All tools on this site run entirely in your browser locally. No data is uploaded to any server.

Features:

• Local files: Open a local text file and diff it directly
• Sort: Sort lines before diffing

Diff Mark

• Red Mark: Content that appears only on the left compared to the right
• Green Mark: Content that appears only on the right compared to the left
• Line number redirect: Click a diff line to jump to it