D64-Pro v0.1.22 by Robert Crossfield is an easy-to-use D64 Manipulation Tool for Windows (XP or Win7).  This tool has several cool features such as the ability to adjust the BAM (block allocation map), trace the track and sectors a program uses and search the whole disk byte by byte to find a search string.

• Read D64 (35 and 40 Tracks), T64, X64(1541) files
• Convert X64(1541)to D64
• Create Blank Disk Images
• Disk Checker
• Easy-To-Use Drag and Drop interface *
• Edit Disk Name, Disk ID, Soft Write Protection
• File Chain Track/Sector Viewer Import/Export Tracks or Sectors
• Import/Export Files
• Search a D64 for specific Text to obtain a Track/Sector Location
• View changes without saving **
• View SEQ files
• View/Edit the BAM
• View/Edit Blocks (in hex)