Bookcase Sizer Offline2026 app analytics for October 5

Bookcase Sizer is an offline tool for hand bookbinding, rare book restoration, collection protection, and small batch book case making. Enter a book's height, width, thickness, clearance, board thickness, and cloth turn-in settings to quickly calculate cutting sizes and material usage for book cases, slipcases, and protective enclosures. You can save separate book projects for later checking and repeat production. The app requires no login, uses no network connection, collects no personal data, and stores all projects, measurements, and notes locally on your device. It is made for collectors, hand book studios, book repair professionals, and anyone creating protective cases for valued books.