Open Source Addons

Below you can find the open source addons that we have reviewed.

Why open source addons?

YouTube Auto HD & More

Open source YouTube auto HD quality selector. Automatically selects the best available hd quality or your preferred quality. Also has theater mode toggle.


uBlock Origin

An efficient blocker: easy on memory and CPU footprint, and yet can load and enforce thousands more filters than other popular blockers out there.


Chrome extension source viewer

View source code of Chrome extensions, Firefox addons or Opera extensions (crx/nex/xpi) from the Chrome web store and elsewhere.


Dark Reader

Dark theme for every website. Care your eyes, use Dark Reader for night and daily browsing.


Country Flags & IP Whois

Displays country flag of website's server location, Whois and Geo info


JSON Formatter

Makes JSON easy to read. Open source. A fork of the original (no-longer updated) extension by Callum Locke.



Kee adds free, secure and easy password management features to your browser which save time and keep your private data more secure.


Xdebug helper

Easy debugging, profiling and tracing extension for Xdebug.