Diffuse

What is Diffuse?

Diffuse was created by Romain Failliot and first released several years ago, steadily gaining a reputation among developers who need a visual comparison tool. Its integration with popular version control systems like Git, Mercurial, and Subversion makes it a practical choice for everyday code reviews.

The tool is aimed at programmers, system administrators, and anyone who needs to compare or merge plain‑text files. It works on Linux, macOS, and Windows, but here we focus on its Linux experience.

Compared with Windows‑centric utilities such as Beyond Compare, Diffuse offers a lightweight, native feel. It lacks some of the advanced scripting or folder‑comparison features of commercial tools, but it delivers a clean, straightforward interface that many users find easier to learn on Linux.

Best for: Users who need a simple, VCS‑aware text diff and merge tool on Linux.

Key features of Diffuse

• Two‑pane diff view with line‑by‑line highlighting
• Merge editor with conflict resolution controls
• Supports Bazaar, CVS, Darcs, Git, Mercurial, Monotone, RCS, SVN
• Keyboard shortcuts for navigation and merging
• Customizable color scheme
• Command‑line interface for scripting

Tips for Windows users

When moving from Beyond Compare, note that Diffuse uses the standard Ctrl+O to open files and Ctrl+S to save merges. It does not support folder‑to‑folder comparison; instead, open each file pair individually or use the command line to generate diffs. The merge editor behaves similarly, but conflict markers are resolved with the Merge button rather than a side‑by‑side editor. File formats are the same (plain text), so existing scripts that generate diff outputs will work without modification.

Recent releases

• 0.11.0 — March 12, 2026

  Summary: allow multiple `-r` flags in command-line, update to GNOME 49. Changed: - Update release process documentation (@MightyCreak) - Minimal Pytnon release is now 3.10 (@MightyCreak) - Update flatpak's GNOME runtime to 49 (@MightyCreak) - Update PyPi…

• 0.10.0 — May 24, 2025

  Summary: update to GNOME 48, updated a few translations. Changed: - Translation: update French translation (@WedoneOfficiel) - Translation: update Italian translation (@albanobattistella) - Translation: update Portuguese translation (@hugok79) - Translation…

• 0.9.0 — January 13, 2024

  Summary: remove support for SVK, update to GNOME 45, updated Turkish translation. Changed: - Update from GNOME 44 to 45 (@sabriunal) - Flatpak manifest now runs the tests (@sabriunal) - Use appstreamcli instead of the deprecated appstream-util to validate…

• 0.8.2 — April 16, 2023

  Use more modern, symbolic icons, add Dutch translation, and a couple of small fixes. Added: - Add link to the Matrix room in the README (@MightyCreak) - Add Dutch translation (@Vistaus) Changed: - Replace `_` by `-` in the action names to be compatible with…