Audience
Software developers, independent software vendors, and small teams that ship Windows applications, drivers, or installers and need a code signing certificate.
About Klarseal
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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Pricing
Starting Price:
€159/year
Pricing Details:
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:
Free Version available.
Integrations
Company Information
Archi Systems AS
Founded: 2010
Norway
klarseal.com
Videos and Screen Captures
File list showing code-signing status for executable and DLL files.
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Product Details
Platforms Supported
Cloud
Windows
Training
Documentation
Support
Online
Klarseal Frequently Asked Questions
Q: What kinds of users and organization types does Klarseal work with?
Klarseal works with these users and organization types: Mid Size Business, Small Business, Enterprise, Freelance, Nonprofit, Government, and Startup.
Q: What languages does Klarseal support in their product?
Klarseal supports these languages: English.
Q: What kind of support options does Klarseal offer?
Klarseal offers support via online.
Q: What other applications or services does Klarseal integrate with?
Klarseal integrates with: Claude Desktop, Model Context Protocol (MCP), and SignTool.
Q: What type of training does Klarseal provide?
Klarseal provides training in the form of documentation.
Q: How much does Klarseal cost?
Pricing for Klarseal starts at €159/year.
