simplewall

Name: simplewall
Author: Henry++

v3.8.7Open sourceReleased 8 Aug 2025

Tiny app-by-app firewall built on the Windows Filtering Platform. By Henry++

Windows

Official sourceSHA-256 published by the developerNo bundles

By the ToolsBharat teamUpdated 8 Aug 2025How we check

Quick answer

simplewall is open source software for Windows from Henry++. Tiny app-by-app firewall built on the Windows Filtering Platform. Download it only from github.com. The latest version we track is 3.8.7 (8 Aug 2025). The developer publishes a SHA-256 hash for the installer, shown on our download page. ToolsBharat links straight to the publisher's own download page, with no bundled offers.

Latest version:: 3.8.7 (8 Aug 2025)
Publisher:: Henry++
Official site:: github.com
Licence:: Open source — GPL-3.0
Requirements:: Windows 7 SP1 or later

Our verdict

simplewall lets you decide which programs may go online, blocking everything else, from a very small app. It is excellent for locking down telemetry or a single machine, but the block-by-default approach can break updates and apps until you allow them.

Screenshots

simplewall main window with rules list — Publisher's website

Key features

Allow or block network access per application
Works through Windows Filtering Platform, independent of Windows Firewall
Optional blocklists for Windows telemetry
Installer and portable builds

Pros

Pro: Very lightweight
Pro: Publisher ships a SHA-256 file with each release

Cons

Con: Easy to block something important by mistake
Con: Last release was August 2025

What's new in 3.8.7

See what changed in 3.8.7 in the official release notes

Version history

Version 3.8.7Latest
8 Aug 2025 · 1.2 MB
SHA-256
1864b3e2…1d1aa144(published by the developer)
Source
Release notes

Requirements

OS: Windows 7 SP1 or later
Architecture: 64-bit, ARM64
Also needs: Administrator rights; SSE2-capable CPU

Licence

Type: Open source
Licence: GPL-3.0
Publisher: github.com

Where these facts come from

Checked 30 Oct 2026

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