Disk Inspector (macOS)

  Disk Inspector — Commodore 64/128 Disk Image Editor for macOS                                                                                                                                                     

  A native macOS application for viewing, editing, and managing Commodore 64 and C128 disk images.         

  Supported Formats                                                                                        

  D64 — 1541 single-sided (170 KB, 35 tracks, Read/Write)                                  

  D71 — 1571 double-sided (340 KB, 70 tracks, Read/Write)

  D81 — 1581 (800 KB, 80 tracks, Read/Write)                                               

  T64 — C64S tape archive (Read only)

  LNX — Lynx archive (Read only)                                                           

  G64 — Raw GCR disk image (VICE format, Read only)

  NIB — Raw GCR disk image (NibTools/MNIB format, Read only) 

  P00/S00/U00 — PC64 single-file container (Read only)

KEY FEATURES

 File Management

  - Authentic C64 directory listing with PETSCII styling

  - Drag and drop files between multiple open disk images                                                  

  - Copy, paste, rename, delete, and reorder files       

  - Change file type (right-click → Change Type)                                                           

  - Set/clear Lock and Splat flags                          

  - Fix incorrect block counts                                                                             

  - Sort directory (↕ SORT button)

  - Arrow key navigation with Shift+Arrow for multi-select                                                 

  - Mac file import/export with full undo/redo support                                                     

  Separator Library                                                                                        

  - 17 built-in PETSCII separator patterns (frames, lines, decorative)

  - Create and save your own custom separators                                                             

  - Drag separators from the library into any directory     

  - Open via Tools → Separators (Cmd-Shift-L)

  Hex Editor

  - Click any byte to edit by typing hex digits                                                            

  - Navigate with arrow keys and keyboard                   

  - Modified bytes highlighted in orange 

  - Save changes directly to disk image 

  BASIC Listing Viewer                                                                                     

  - Auto-detects and detokenizes BASIC programs

  - Supports BASIC 2.0 (C64) and BASIC 7.0 (C128)                                                          

  - Double-click any PRG file to view its listing           

   Visual BAM Map                                                                                           

  - Color-coded sector grid for the entire disk

  - Shows file sector ownership and highlights sector chains                                               

  - Sector-level hex editing                                

  Sector Chain Viewer

  - Right-click any file to trace its T/S sector chain                                                     

  - Displays each track/sector link with bytes used per sector

  Recover Deleted Files                                     

  - Scans for deleted directory entries with intact T/S pointers

  - Restore files with a single click via the toolbar Recover button                                       

  - Undeleted files are marked in the BAM automatically

  Export Options                                            

  - Export directory listing as PNG image, plain text, or styled HTML

  - PNG export uses authentic C64 color styling                      

  Quick Look Preview (New in v1.6)                                                                         

  - Preview D64, D71, D81, and T64 files directly in Finder with Space bar

  - Authentic C64 color scheme — no app launch needed                                                      

  Additional Tools                                                                                         

  - Disk validation to detect errors and corruption                                                        

  - VICE emulator integration — launch disks and files directly

  - Keyboard shortcuts: Cmd-R for C64 VICE, Cmd-Shift-R for C128 VICE                                       

  Requirements: macOS 14.0 (Sonoma) or later — Apple Silicon or Intel