When globally enabling/disabling Greasemonkey, this setting is saved across Firefox restarts. New features: Firefox for Android is marked compatible. Improved keyboard accessibility of the Monkey Menu. Added a save button to the user script editor (Ctrl-S . The developers of the popular userscript extension Greasemonkey for Firefox have announced Greasemonkey 4, a new version of the browser extension. Greasemonkey 4 will be compatible with Firefox 57 as it will be released as a WebExtension. Mozilla plans to drop support for the legacy add-on system of Firefox when Firefox 57 Stable is released. About / Greasemonkey for Firefox. Greasemonkey is a userscript manager for Firefox, originally written by Aaron Boodman and currently Firefox front-end and back-end maintained by Anthony Lieuallen and Johan Sundström. It is the first extension to allow userscripts to be run in a web browser. Greasemonkey extends Firefox by providing easy access to a huge check Rapidshare links, download Instagram and Facebook albums, and. download. Greasemonkey latest version: Customize the appearance and behavior of popular websites. It's a Firefox add-on that prepares your browser to support Greasemonkey scripts. . How to: download tracks from Hype Machine. Since our complete WebExtension rewrite, Greasemonkey has been available (#); Monkey menu has new Firefox-native look and feel.