How to Compare Images for macOS Using Compare 2 Image

Compare 2 Image App Info for macOS

Compare images in directory or compare multiple directories using include subfolders toggle button. Comparison can be made by name, date modified, size, data, or all of the above to quickly identify images that are different. Further highlight images with a difference using built-in fast filter options for the display of all results, just matches, or non-matches. Images that don’t have a match will have a mark identifying them as a non-match. Ability to hide/show properties for date modified and size. Use the Include Subfolders option to list all images; including images nested inside other folders. Care should be taken using the subfolders option, as the processing time for comparison will be much longer for large lists.

- Compare images quickly.
- Images nested in subfolders can be compared.
- Multiple comparison methods; by name, date, size, and data.
- Preview images.
- Launch images in default app.

Here are instructions for app operation:
1.) Launch app.
2.) Click button for Set Directory 1. Choose a directory for comparison. Directory should include images.
3.) Click button for Set Directory 2. Choose a directory for comparison. Directory should include images.
4.) The left/right lists will update to show images and a comparison status green/red checkmark/x to indicate comparison results. A green checkmark indicates the item appeared in the other list. An X indicates no match was found for selected comparison parameter.
5.) Toggle toolbar buttons appropriately.
6.) Change 'Comparing' toolbar selection for desired comparison. E.g. choosing 'Name' will compare image names between the two lists.
7.) Change 'Filter' for desired filtered result for Lists.
8.) Double-click a list's image to see an image preview.
9.) Right-click a list's image to see 'Open' to launch the item.
10.) Right-click pathbar along bottom to see 'Open' to open the path location in Finder.

Use Examples:
- Compare images on local disk to a backup directory on another disk.
- Confirm images have been copied to a location by a specific date.
- Determine image sizes for directories.
- See all images from a root folder through all subfolders.