List of free and recommended Mozilla WebExtensions

This is a list of WebExtensions^[a] that are recommended by Mozilla.^[2]

Mozilla software

Firefox

Browser extension	Free license	Dependencies		WebExt	Rec.[2]	Category	Description
		Nonfree JS site	Nonfree server
Cookie AutoDelete	MIT	No	No	Yes	Yes	Privacy and security
Decentraleyes	MPL-2.0	No	No	Yes	Yes	Content delivery network (CDN) emulation
DownThemAll!	GPL-2.0	No	No	Yes	Yes	Download manager	A download manager and accelerator.
FoxyProxy Standard	GPL-2.0	No	No	Yes	Yes	Privacy and security	Proxy management tool
HTTPS Everywhere	GPL-2.0-or-later	No	No	Yes	Yes	Transport Layer Security (TLS)	HTTP Secure whenever possible.
NoScript	GPL-2.0	No	No	Yes	Yes	Privacy and security	JavaScript and other potentially executable content.
Privacy Badger	GPL-3.0	No	No	Yes	Yes	Adblocker	Do Not Track setting in a user's web browser.
Read Aloud	GPL-3.0	No	No	Yes	Yes	Accessibility	A Text to Speech Voice Reader
Stylus	GPL-3.0	No	No	Yes	Yes	CSS	Customization
Turn Off the Lights	GPL-2.0	No	No	Yes	Yes	Customization	Obscure or mask content other than a running video.
uBlock Origin	GPL-3.0	No	No	Yes	Yes	Wide-spectrum content blocker	Blocking ads and filtering content via a paired blacklist and whitelist.
Zoom Page WE	GPL-2.0	No	No	Yes	Yes	Accessibility	computer vision syndrome (CVS)

Firefox compatibility

Browser extension	Firefox	Firefox for Android
Cookie AutoDelete	Yes	Yes
Decentraleyes	Yes	Yes
DownThemAll!	Yes	No
FoxyProxy Standard	Yes	Yes
HTTPS Everywhere	Yes	Yes
NoScript	Yes	Yes
Privacy Badger	Yes	Yes
Read Aloud	Yes	Yes
Stylus	Yes	No
Turn Off the Lights	Yes	Yes
uBlock Origin	Yes	Yes
Zoom Page WE	Yes	No

Thunderbird

Browser extension	Free license	Dependencies		WebExt	Rec.[2]	Category	Description
		Nonfree JS site	Nonfree server
Enigmail	MPL-2.0	No	No	Yes	Yes

Notes

1. WebExtensions are designed for web browsers based on Mozilla Firefox 57 or later. Legacy add-ons are not listed on addon.mozilla.org.^[1] Many Firefox extensions work in the SeaMonkey web browser as well as the Pale Moon web browser and the Thunderbird e-mail client.