About Portmaster
An open-source app firewall with built-in tracker blocking.
Portmaster is a security app for Windows that focuses on doing its job well, without getting in your way. Highlights include per-app network control and dns and tracker blocking, wrapped in an interface that stays out of your way.
Get Portmaster for Windows now: the current version, a clean installer and a fast, direct download.
Key features
- ✓Per-app network control
- ✓DNS and tracker blocking
- ✓Secure DNS
- ✓Open source
Requirements
Windows 10 / 11, 64-bit
Portmaster — frequently asked questions
Is Portmaster free to download?+
Yes. Portmaster is free and open source, so you can use it at no cost.
Is Portmaster safe to download?+
Yes. HivApps links to the latest Portmaster build and keeps listings clean, with no bundled extras. As always, keep your antivirus on and only install software you trust.
What is the latest version of Portmaster?+
The latest version listed here is Portmaster 1.6, updated Aug 12, 2026.
What do I need to run Portmaster?+
Windows 10 / 11, 64-bit
How do I install Portmaster on Windows?+
Click the Download button on this page, run the installer once it finishes downloading, and follow the on-screen setup steps.
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Latest version (1.6) · Safe & clean