Settings

General

Setting	Default	Purpose
Max Concurrent Thumbnail Jobs	2	Controls how many thumbnails are generated in parallel
Max Cache Size	200 MB	Limits thumbnail cache disk usage
Thumbnail TTL	7 days	Controls how long cached thumbnails stay valid

Display

Setting	Default	Purpose
Hide Header with Thumbnails	On	Hides the header when a section is collapsed
Enforce Single-Space Fullscreen	On	Keeps fullscreen viewers on the current macOS Space

Post-Processing

NOTE: SOOC is an abbrevation for straight-out-of-camera

Setting	Default	Purpose
Enable Post-Processing Workflow	Off	Enables photo editor handoff when moving photos to Keep
Photo Editor	None	Path to the external editor application
Track Post-Processing Updates	On	Watches for changes after the editor closes
SOOC Format	${baseName} (SOOC).${extension}	Filename template for unedited photos
Modified Format	${baseName} (Modified).${extension}	Filename template for edited photos
Set Quality Level after Post-Processing	On	Re-encodes JPG output at the configured quality level
JPG Quality	90	JPG output quality from 0 to 100
Post-processing rename prompt	On	Shows a rename dialog after editing
On filename conflict	Prompt	Choose Prompt, Keep Both, or Overwrite

Reset Settings

Use Reset to App Default at the bottom of the Settings window to restore the factory values for every tab.