As its name reflects, the tool hub in QuickBooks is a one-stop solution that helps users fix errors or glitches with the QuickBooks software. To deal with these types of errors and to help QuickBooks users use the software hassle-free, Intuit has developed the QB Tool Hub. It is a central location for all QuickBooks tools, including File Doctor, Refresher, PDF and Print Repair, Install Diagnostic Tool, and many more.