KDiff3

A tool to check, edit and merge differences between 2 or 3 files

Features

• compares and merges two or three text input files or directories,
• shows the differences line by line and character by character(!),
• provides an automatic merge-facility,
• has an editor for comfortable solving of merge-conflicts,
• provides networktransparency via KIO,
• has options to highlight or hide changes in white-space or comments,
• supports Unicode, UTF-8 and other file encodings,
• prints differences,
• supports version control keyword and history merging.

Screenshots showing merge operations are available on the project's home pages

The KDiff3 Handbook gives a detailed description of activities, in html form.