External diff tool guide
Delta
Syntax-highlighting pager for Git, diff, grep, rg --json, and blame output with side-by-side and line-number modes.
Category
Terminal
License
Open source
Platforms
Windows, macOS, Linux
Best for
Developers who live in the terminal and want readable Git diffs without opening a desktop merge application.
Strengths
- Excellent terminal readability
- Works naturally with Git
- Fast and configurable
Limitations
- No GUI merge editor
- Requires terminal setup
- Best for text/code rather than media or office files
Key features
Syntax highlighting
Side-by-side view
Line numbers
Git diff, blame, grep, and rg integration
Install notes
macOS: brew install git-deltaWindows: winget install dandavison.deltaLinux: use distro package or GitHub releases