KlarsealArchi Systems AS
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SignToolMicrosoft
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Related Products
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About
Klarseal is a code-signing certificate service for developers and businesses distributing Windows applications, drivers or installers. It offers Standard (OV) and Extended Validation (EV) certificates issued by Certum, while managing orders, invoices, application checks and status updates. Both certificate types use cloud signing: the private key is generated and held in the certificate authority’s hardware security module, rather than on a USB token. EV includes additional identity checks and is required to open a Windows Hardware Developer Program account for kernel-driver submissions. Klarseal also provides free companion tools: Sign my app, an MIT-licensed plugin that lets supported AI coding agents prepare Windows-file signing for user approval, and Sign my app for Windows, a utility to check and sign .exe, .dll and .msi files.
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About
The software industry must provide users with the means to trust code including code published on the Internet. Many webpages contain only static information that can be downloaded with little risk. Some pages, however, contain controls and applications to be downloaded and run on a user's computer. These executable files can be risky to download and run. Packaged software uses branding and trusted sales outlets to assure users of its integrity, but these guarantees are not available when code is transmitted on the Internet. Additionally, the Internet itself cannot provide any guarantee about the identity of the software creator. Nor can it guarantee that any software downloaded was not altered after its creation. Browsers can exhibit a warning message that explains the possible dangers of downloading data of any kind, but browsers cannot verify that code is what it claims to be. A more active approach must be taken to make the Internet a reliable medium for distributing software.
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Platforms Supported
Windows
Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Platforms Supported
Windows
Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Not Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Audience
Software developers, independent software vendors, and small teams that ship Windows applications, drivers, or installers and need a code signing certificate.
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Audience
Developing teams in need of a command-line tool that digitally signs files, verifies the signatures in files, and time stamps files
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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API
Offers API
Not Supported
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API
Offers API
Not Supported
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
€159/year
Standard (OV) starts at €159 for a one-year term outside Norway, or NOK 1,790 before 25% MVA in Norway (NOK 2,237.50 total). EV starts at €289 for one year outside Norway, or NOK 3,490 before MVA in Norway (NOK 4,362.50 total). One-, two- and three-year terms are paid in full at order; longer terms include a new certificate issued each year. Cloud signing and timestamping are included.
Free Version
Supported
Free Trial
Not Supported
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Pricing
No information available.
Free Version
Not Supported
Free Trial
Not Supported
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Reviews/
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Reviews/
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Company InformationArchi Systems AS
Founded: 2010
Norway
klarseal.com
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Company InformationMicrosoft
Founded: 1975
United States
learn.microsoft.com/en-us/windows/win32/seccrypto/signtool
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Alternatives |
Alternatives |
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Categories |
Categories |
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Integrations
Claude Desktop
Supported
Klarseal
Not Supported
Model Context Protocol (MCP)
Supported
SignTool
Supported
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Integrations
Claude Desktop
Not Supported
Klarseal
Supported
Model Context Protocol (MCP)
Not Supported
SignTool
Not Supported
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