Book Spine Shelf Labels

Spine Labeler is an offline management tool for personal libraries, small study rooms, and studio reference shelves. It helps you organize book numbers, create spine labels, plan shelf placement, and export printable label layouts. Key features: 1. Collection numbering: Create local book numbers by category, shelf, and level for easier lookup and return. 2. Spine labels: Set label size, font, margins, and number format to generate printable labels. 3. Shelf planning: Record placement by bookcase, shelf board, and category, with notes for gaps and adjustments. 4. Batch lists: Manage books waiting for labeling, shelving, or data completion. 5. Offline export: Save plans locally and export PDFs for printing and archiving. All data stays on your device. No account is required, no network connection is used, and no personal information is collected. It is suitable for long-term management of home libraries and reference cabinets.