External diff tool guide

Meld

Visual diff and merge tool for comparing files, directories, and version-controlled projects with a clean developer-focused UI.

Category
Desktop GUI
License
Open source
Platforms
Linux, Windows, macOS

Best for

Developers who want a free visual file and folder comparison tool that integrates well with Git and Linux desktops.

Strengths

  • Clean visual comparison
  • Good directory diff
  • Useful version control integration

Limitations

  • Large comparisons can be slower
  • macOS packaging may lag
  • Limited media comparison

Key features

Two-way and three-way file comparison
Folder comparison
Git/SVN/Mercurial/Bazaar views
Inline change highlighting

Install notes

Ubuntu/Debian: sudo apt install meldFedora: sudo dnf install meldmacOS: brew install --cask meld