⚠ This site is in alpha and under heavy development — not fit for general use.

FOSS Extensions Store

Open-source browser extensions, scanned and built from source. Full transparency, no gatekeeping.

How it works ↓

Chromium Web Store

Clean

by NeverDecaf

Brings Chrome Web Store functionality to ungoogled-chromium and other Chromium forks that lack web store support. Allows installing extensions directly from Chrome Web Store with automatic update checking.

chromium v1.5.5.3 · Jun 3, 2026

Dark Reader

Warning

by Dark Reader Ltd

Dark Reader inverts bright colors to make websites easier to read at night. Analyzes page structure and adapts brightness, contrast, and sepia tone so dark mode feels native on every site.

chromiumfirefox v4.9.126 · Jun 3, 2026

DuckDuckGo Privacy Essentials

Unknown

by DuckDuckGo

A browser extension that provides tracker blocking, cookie consent managers, autofill, and more. Includes comprehensive web tracking protections for Firefox, Chrome, and Edge.

chromiumfirefox

FOSS Extensions Store Companion

Clean

by FOSS Extensions Store

A companion extension for the FOSS Extensions Store that allows easy installation in Chromium-based browsers.

chromium v2.0.1 · Jun 3, 2026

How it works

📝

Developers submit

A developer opens a one-file PR to our registry, adding their extension's Git URL and metadata.

🔬

We scan and build

On every release tag, we clone the source, run security scans, and produce a reproducible artifact.

📦

You download and verify

We publish the artifact with a full scan report and SHA-256 checksum you can verify independently.