userjs
A userscript is a kind of lightweight and less privileged browser extension written in JavaScript used to modify webpages. Userscripts may use the special API, usually referred as GM_API, allowing them to bypass same-origin policy and store data in separate storage not accessible to web pages. The technology was initially introduced in the GreaseMonkey extension for Firefox web browser, and then spread to other browsers, sometimes built-in, like in Presto-based Opera, sometimes with help of extensions, like in Chromium-based browsers. The most famous catalogs of userscripts are GreasyFork and OpenUserJS.
Here are 73 public repositories matching this topic...
🐒一些修改自网络的油猴脚本 Some Tampermonkey scripts modified from the internet
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Oct 14, 2026 - JavaScript
🐒 Show current site all UserJS,The easier way to install UserJs for Tampermonkey. 显示当前网站的所有可用Tampermonkey脚本
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Dec 3, 2022 - Vue
Phoenix is a suite of configurations & advanced modifications for Mozilla Firefox, designed to put the user first - with a focus on privacy, security, freedom, & usability.
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Oct 16, 2026 - JavaScript
[userscript] Adds buttons to save images and videos in Twitter, also does some other enhancements. (Twitter image and video downloader)
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Aug 24, 2026 - JavaScript
Saves your time on games giveaway sites.
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Jan 25, 2026 - JavaScript
🦊 Awesome Firefox
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Sep 10, 2026 - JavaScript
Removes Mozilla spyware from Firefox and makes Firefox more secure
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May 28, 2023 - JavaScript
Interactive view, compare, and more for Firefox user.js (eg arkenfox/user.js) + about:config functions
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Aug 9, 2021 - HTML
Torturing Firefox with userchrome.js and userchrome.css in response to Mozilla's successive degradation of the browser window.
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Oct 15, 2026 - JavaScript
Dove is a suite of configurations & advanced modifications for Mozilla Thunderbird, designed to put the user first - with a focus on privacy, security, freedom, & usability.
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Oct 14, 2026 - Shell
Interactive view, compare, and more for Firefox user.js (eg arkenfox/user.js) + about:config functions
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Jun 10, 2024 - JavaScript
Hide sponsored messages on https://web.telegram.org/k
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Sep 3, 2026 - TypeScript
A custom user.js script to configure Firefox user, privacy and security settings.
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Oct 4, 2026 - JavaScript
A Tampermonkey userscript that adds powerful filtering, searching and multi-page loading to HDEncode
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Jul 28, 2026 - JavaScript
Custom JS and CSS made by hideo54.
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Sep 22, 2022 - AutoHotkey
🦊 Firefox user.js – based on arkenfox/user.js with additional UI fixes.
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Feb 15, 2026 - JavaScript
[no longer maintained] a minimalist firefox theme created by a professional green tea drinker
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Oct 19, 2024 - CSS
Created by Aaron Boodman
Released March 28, 2005
- Followers
- 566 followers
- Repository
- greasemonkey/greasemonkey
- Website
- github.com/topics/userscript
- Wikipedia
- Wikipedia