TinyWall 2.1 is here!

What is TinyWall

TinyWall is a free software to harden and control the advanced firewall built into modern Windows systems.
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Help TinyWall evolve!

Is there some specific feature you really like and want to make sure it stays that way? Or something that turned you off or is missing? Let me know per e-mail and lead TinyWall's evolution in the right direction!


Non-intrusive operation

TinyWall lets you work while protecting you. No annoying popups and simple configuration.


Using the advanced Windows Firewall built into newer Windows versions, TinyWall's performance impact is neglible.

More than just a controller

Tampering protection, blocklists, and temporary firewall rules, among others, add new features to Windows that increase security.

Safe operation

No drivers or kernel-components are installed, which keeps your system stable.


Firewall modes and lots of other convenience features make TinyWall extremely easy to use for anybody.

No cost

100% free, no ads, no artifical limitations, no upgrades.