Inside the app
A closer look.





About this app
Made for a clear purpose.
Halidestep is a private analog darkroom log for repeatable black-and-white and color printing records.
Generate equal f-stop test-strip sequences, scale a starting exposure when enlargement height changes, preserve paper, filter, lens, aperture, chemistry, dodge, burn, and edition notes, visualize local exposure zones, and export a compact print card.
KEY FEATURES - F-stop test-strip sequence generator - Enlargement-height exposure scaling - Dodge and burn zone map - Negative, paper, filter, chemistry, and edition records - Searchable 90-plate offline darkroom guide - Local PDF print card - No account, ads, analytics, tracking, subscription, or network requirement
Halidestep calculates from your settings. Confirm every print by test strip and follow current chemistry, ventilation, and equipment guidance.