Windows · Free download · General

SignTool UI1.0

SignTool UI : Sign assemblies with certificates approved by Microsoft as well as VeriSign, StartCom, GlobalSign, Comodo or Starfield Tech providers

Operating system
Windows 10/11
File size
13 KB
License
MS-PL
Last updated
Apr 28, 2026

109 downloads·520 page views

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Overview

What is SignTool UI?

SignTool UI : Sign assemblies with certificates approved by Microsoft as well as VeriSign, StartCom, GlobalSign, Comodo or Starfield Tech providers

In depth

A closer look at SignTool UI

Designed for software developers, SignTool UI is a simple application you can use to sign files compliant with AuthentiCode-certificates or assemblies. It contains timestamps provided by VeriSign, StartCom, GlobalSign, Comodo, and Starfield Tech.The utility comes packed in a small-sized .exe that can be saved anywhere on the PC and just double-clicked to deploy SignTool UI. You can also keep it stored on a USB flash drive to directly run it on any computer.

Graphical interface for SignTool.exe

However, you must have SignTool.exe from the Windows SDK in order to work with this program, since it only represents a graphical interface for it. Moreover, .NET Framework must be installed on your PC or it won't work properly.The main window adopts a standard .NET Framework form and adds little of its own, preferring to stick to a simple appearance with a straightforward layout that shows everything it has to offer.

Pick the certificate, assembly and timestamp provider

You can get started by browsing the Microsoft certificate store to select a the certificate you want to use for assembly signing.Evidently, these certificates must meet SignTool's criteria to be taken into account. The app shows the website address that the certificate was issued for, along with the thumbprint, which acts like a serial number.Following this step, all that remains is picking the assembly you wish to sign as well as the timestamp provider, and then press the "Sign" button to let the program handle the rest. The assembly's file name and size are displayed.

Approachable tool for assembly signing

It would've been a great addition if the application was capable of signing multiple assemblies at the same time.Nevertheless, although SignToo lUI doesn't boast richer features or a particularly attractive interface, it provides you with a simple and intuitive GUI for SignTool, which can be used to seamlessly sign assemblies using Microsoft-approved certificates.

Verdict

Should you download SignTool UI?

SignTool UI runs on Windows 10/11 and is available under the MS-PL license — the installer is 13 KB. We’ve catalogued it under General.

Verified clean. Every SignTool UI build on SoftLookup is scanned for viruses, spyware, adware, trojans and backdoors. We re-test on every update.
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At a glance

SignTool UI specifications

Category
General
Publisher
dpetrasch
Last updated
Apr 28, 2026
License
MS-PL
Operating system
Windows 10/11
File size
13 KB
Price
Free
Page views
520

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