List of augmented browsing software

Augmented Browsing Software
Name Form Features Compatibility Last Updated
bookmarklets JavaScript Can execute arbitrary JavaScript on any page, but requires a user to click them, rather than running automatically Always working
Firebug Firefox extension for developers Allows arbitrary real time changes to a page's DOM 2017
Greasekit Provides userscripting for Safari (WebKit) 2008
Greasemonkey Browser extension Alters the output of web content immediately after being displayed Firefox, Chromium browser and Opera. 2021
Tampermonkey Browser extension Userscripts manager that provides features like a clear overview over the running scripts, a built-in editor, ZIP-based import and export, automatic update checks, and browser- and cloud storage-based synchronization Firefox, Chromium browser and Opera. 2022
iMacros Firefox, Chromium browser, and Internet Explorer extension Allows the user to record and replay "Internet Macros" for web automation, web scraping, or web testing. 2018
Proxomitron Proxy-level language Available since late 1990s, predates JavaScript active browsing and provides a similar function for all browsers using a regular expression-like matching language 2003
Stylish Firefox extension using Cascading Style Sheets Client-side manipulation of webpage content 2022
Violentmonkey Browser extension open source alternative to Greasemonkey 2024