P4 Merge
Perforce’s visual file comparison and merge tool, including image comparison and version-control workflows.
About P4 Merge
P4 Merge is a side-by-side file comparison and merge tool from Perforce. It tracks and compares changes from past and pending work on branches and individual files. The homepage describes it as a way to visualize merges, view file history, resolve conflicts between file versions, and compare image files. It is listed as free.
For text files, users can highlight and edit differences and choose whether to include or ignore line endings and white space. The Folder Diff feature compares two folders within a P4 environment and can exclude files by name or extension. The image diff feature overlays or places two images side by side. The page says P4 Merge is fully integrated with P4V and P4 and compatible with other version control systems such as Git. Folder comparison is limited to folders within a P4 environment. The page also says that getting started with P4 is free for up to 5 users and 20 workspaces.
Key features
- Side-by-side comparison of file versions for resolving conflicts
- Highlights and edits differences in text files
- Option to include or ignore line endings and white space
- Folder Diff compares two folders within a P4 environment
- Folder Diff can exclude files by name or extension
- Image diff overlays or displays two images side by side
Best for: Developers and designers who use Perforce P4 version control and need to compare code, folders, or image files and resolve merges.
Good for
- Listed as free to use.
- Covers both text file comparison and image comparison in one tool.
- The page states it is integrated with P4V and P4 and compatible with Git.
Watch out for
- Folder Diff is limited to folders within a P4 environment.
- The page lists image formats as JPEG, GIF, TIFF, BMP, and 'more formats' without giving a full list.
- The page's free offer for getting started with P4 covers up to 5 users and 20 workspaces.
P4 Merge at a glance
- Category
- Software & Utilities › File Utilities
- Type
- Online tool
- Pricing
- Free
- Open source
- Not stated
- Last checked
- Oct 9, 2026 · Online when checked
- Listed
- Oct 9, 2026
Guides for File Utilities
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P4 Merge FAQ
Does P4 Merge work with Git?
The page says P4 Merge is compatible with other popular version control systems, including Git.
Can P4 Merge compare image files?
Yes. The image diff feature can overlay two images or show them side by side, and the page lists support for JPEG, GIF, TIFF, and BMP, among other formats.
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