Spoofs User-Agent strings of your browser with a new one globally, randomly or per hostname
Send the page you are currently viewing to your mobile device. QR codes are generated instantly in browser and never leave your computer. Implemented with WebExtensions API and compatible with Firefox 57+.
A reference for the codes to generate Emojis on popular sites like GitHub or Basecamp and Unicode characters for Twitter and Facebook. Search Emojis by name or view recently selected items. Emojis are automatically copied to the clipboard.
The Ultimate online investigation tool! See detailed information about every IP Address, Domain Name and Provider.
Questo add-on ripristina l'aspetto dei tasti della barra degli strumenti di Firefox, Thunderbird e Seamonkey per Windows. Beta/Aurora/Nightly (dev)builds: https://addons.mozilla.org/addon/cstbb/versions
View source code of Firefox add-ons and Chrome extensions (crx/nex/xpi) from addons.mozilla.org, the Chrome Webstore and elsewhere.
Add-on to display GitHub code in tree format
Cookie-Editor lets you efficiently create, edit and delete a cookie for the current tab. Perfect for developing, quickly testing or even manually managing your cookies for your privacy. Also supports Firefox for Android.
RusVPN - Free VPN Service
Enables the resolving of Dot-BIT domains by Namecoin. Also .emc, .coin, .lib and .bazar domains by EmerCoin. Redirecting of NXT aliases.