QuickBooks remembers transaction identifiers. Repeated FITIDs inside one file are a file-level problem; rewriting them can create duplicates in the register. This tool groups them and does not auto-change IDs.
No bank login · Local file processing · Independent from Intuit
Choose a .qbo file. Nothing is uploaded during diagnosis.
Your file never leaves this device during diagnosis.
Drag and drop is supported. Files are not uploaded.
Safe patches never silently change amounts, dates, or FITIDs.