Settings

Open settings from RawCull -> Settings.

Cache

The Cache tab shows memory and disk cache usage and lets you clear caches.

SettingUse
Memory cacheKeeps larger previews in memory
Grid cacheKeeps small grid thumbnails in memory
Clear Disk CacheRemoves cached thumbnails
Clear JPG CacheRemoves cached full-size JPG previews

Larger caches make browsing faster but use more memory.

Thumbnails

The Thumbnails tab controls preview sizes and zoom preview sharpening.

SettingUse
Thumbnail Size Vertical/Horizontal Table ViewSize of small list thumbnails
Preview Thumbnail SizeSize of preview thumbnails
Sharpen Zoom PreviewUses RAW demosaic and micro-detail sharpening for zoom preview
Sharpening AmountControls how strong zoom preview sharpening is

Focus

The Focus tab controls the focus mask overlay.

SettingUse
ThresholdControls how much sharp detail is highlighted
Pre-blurReduces noise and background texture before detection
AmplifyMakes the overlay stronger
ErosionRemoves isolated specks
DilationConnects and expands highlighted areas

Memory

The Memory tab shows total memory, used memory, RawCull memory use, and current macOS memory pressure.

If memory pressure appears, reduce cache sizes or work with smaller catalogs.

Saving

Use Save Settings to write settings to disk. Use Reset to Defaults to restore defaults for the current settings area.


Last modified June 9, 2026: update (835b35a)