List of Web Browsers that support addons/extensions

Updated at: Aug 25, 2026

These are web browsers which provide the ability for you to install "extensions" (sometimes also called "add-ons") to augment your browser's existing functionality.

note: this list is not complete! still adding data for it...

Browser Name	Rendering Engine	Timeline	Device Type	Operating Systems	Status
Chrome	Chromium	2008 →	Desktop & Mobile	Android, iOS, Linux, macOS, Windows	Active
Safari	WebKit	2003 →	Desktop & Mobile	iOS, macOS	Active
Firefox	Gecko	2004 →	Desktop & Mobile	Android, iOS, BSD, Linux, macOS, Windows	Active
Brave	Chromium	2016 →	Desktop & Mobile	Android, iOS, Linux, macOS, Windows	Active
Edge	Chromium	2015 →	Desktop & Mobile	Android, iOS, Linux, macOS, Windows, XBox	Active
Cromite	Chromium	2023 →	Desktop & Mobile	Android, Linux, Windows	Active
Elixir Browser	Chromium	2025 →	Mobile	Android	Active
Lemur	Chromium	2022 - 2024	Mobile	Android, iOS
Marble Browser	Gecko	2025 →	Desktop	Linux, macOS, Windows	Active
Mypal	Gecko	2022 →	Desktop	Windows	Active
PowerFox	Gecko	2026 →	Desktop	OS X	Active
SLBr	Multiple	2022 →	Desktop	Windows	Active
Sleipnir	Chromium	2004 - 2025	Desktop & Mobile	Android, iOS, macOS, Windows
Supermium	Chromium	2023 →	Desktop	Windows	Active
Ultimatum Browser	Chromium	2021 →	Mobile	Android