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Note: TechTool Protogo is no longer a standalone product, but has been included in TechTool Pro.

TechTool Protogo easily lets you turn your USB or Firewire device into a bootable, diagnostics toolkit for Mac.

  • You can take it with you. Using Protogo, you can easily turn a USB or FireWire device, such as an iPod, flash drive, compact hard drive, or SD Card, into a powerful toolkit to troubleshoot all of the Macs in your life. Now you can boot, run diagnostics and perform drive repair

What's New

Version 4.0.5:
  • Now includes TechTool Pro 7.0.6.
  • Other enhancements and fixes.


  • OS X 10.6 or later

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TechTool Protogo User Discussion

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3.4 9


Current Version (4.x)


Downloads 14,251
Version Downloads 1,895
License Updater
Date 24 Nov 2014
Platform Intel 64 / OS X / Intel 32
Price $129.99
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