Overview
What is SignGUI?
SignGUI is a free graphical front end for Microsoft's SignTool.exe console utility, used by software developers to digitally sign their programs for authentication.
In depth
A closer look at SignGUI
SignGUI is a free graphical front end for Microsoft's SignTool.exe console utility, used by software developers to digitally sign their programs for authentication.
Verdict
Should you download SignGUI?
SignGUI runs on
Windows 10/11
and is available under the
Freeware
license
— the installer is 466 KB.
We’ve catalogued it under
General.
✓
Verified clean. Every SignGUI build on SoftLookup is scanned for viruses, spyware, adware, trojans and backdoors. We re-test on every update.
Sponsored
At a glance
SignGUI specifications
- Last updated
- Apr 30, 2026
- License
- Freeware
- Operating system
- Windows 10/11
- File size
- 466 KB
- Price
- Free
- Page views
- 513
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