JavaScript userscript

Open-source JavaScript projects categorized as userscript

Top 23 JavaScript userscript Projects

  1. undiscord

    Undiscord - Delete all messages in a Discord server / channel or DM (Easy and fast) Bulk delete

  2. CodeRabbit

    CodeRabbit: AI Code Reviews for Developers. Revolutionize your code reviews with AI. CodeRabbit offers PR summaries, code walkthroughs, 1-click suggestions, and AST-based analysis. Boost productivity and code quality across all major languages with each PR.

    CodeRabbit logo
  3. pangu.js

    Paranoid text spacing in JavaScript

  4. h5player

    This software supports all audio and video websites, such as TikTok, YouTube, Bilibili, TED, Instagram, Twitter, etc. Features include: variable playback speed, screen capture, video download, custom settings, and extensions, etc., providing you with a pleasant online audio and video playback experience.

  5. Simple-YouTube-Age-Restriction-Bypass

    A simple browser extension to bypass YouTube's age verification, disable content warnings and watch age restricted videos without having to sign in!

    Project mention: Show HN: Paste2Download – No Login, No Ads, Download Videos Watermark Free | news.ycombinator.com | 2024-06-16

    use https://github.com/zerodytrash/Simple-YouTube-Age-Restrictio...

  6. control-panel-for-twitter

    Browser extension which gives you more control over your Twitter timeline and adds missing features and UI improvements - available for desktop and mobile browsers

    Project mention: How hucksters are manipulating Google to promote shady Chrome extensions | news.ycombinator.com | 2025-01-12

    They stopped emailing me eventually when I started responding with silly replies, these are some of the emails I got about Control Panel for Twitter (~220,000 users on Chrome):

    https://github.com/insin/control-panel-for-twitter/issues/38...

    Some of the shadiest ones work in the open:

    https://palant.info/2024/10/01/lies-damned-lies-and-impact-h...

  7. GitHub-userscripts

    Userscripts to add functionality to GitHub

  8. Iridium

    Iridium is an extension built to improve your YouTube experience (by ParticleCore)

    Project mention: Working on a browser extension | dev.to | 2024-11-20

    Original introduction «Improve YouTube!»    /ImprovedTube/ is a strong & lightweight extension! - 80 features / the only one of a kind! Since 2012 we have gradually been adding lightweight features, while keeping up with Youtube changes. (throughout the years we witnessed the birth & fall of other promising & open YouTube Extensions 1, 2, ... ) Today adding features can be easier & so motivating as there are 500 000 users. [👪Join us].

  9. Nutrient

    Nutrient - The #1 PDF SDK Library. Bad PDFs = bad UX. Slow load times, broken annotations, clunky UX frustrates users. Nutrient’s PDF SDKs gives seamless document experiences, fast rendering, annotations, real-time collaboration, 100+ features. Used by 10K+ devs, serving ~half a billion users worldwide. Explore the SDK for free.

    Nutrient logo
  10. maxurl

    Finds larger/original versions of images and videos

  11. Stay

    Stay is a local userscript manager and an extension sample for Safari on iOS/iPadOS.

  12. firefox-scripts

    userChromeJS / autoconfig.js and extensions

  13. SearchJumper

    Yet another awesome browser extension for switching search engines, search everything (selection text / image / link / find in page) on any engine with a simple right click or a variety of menus and shortcuts. Build with React & Material-UI. (WIP).

  14. katakana-terminator

    A browser extension to convert gairaigo (Japanese loan words) back to English

  15. GoodTwitter2

    Userscript to modify the looks of twitter.com

  16. Tape-Operator

    Скрипт, превращающий IMDB, TMDB, Kinopoisk и Letterboxd в бесплатные онлайн - кинотеатры! 🎥

  17. ChatGPT-DeMod

    Tampermonkey/Greasemonkey script that hides the moderation results when communicating with ChatGPT.

  18. IMDb-Scout-Mod

    Auto search for movie/series on torrent, usenet, ddl, subtitles, streaming, predb and other sites. Adds links to IMDb pages from hundreds various sites. Adds movies/series to Radarr/Sonarr. Adds external ratings from Metacritic, Rotten Tomatoes, Letterboxd, Douban, Allocine. Media Server indicators for Plex, Jellyfin, Emby. Dark theme/style for Reference View. Adds/Removes to/from Trakt's watchlist. Removes ads

  19. uc.css.js

    A dark indigo CSS theme for Firefox and a large collection of privileged scripts to add new buttons, menus, behaviors and other opinionated features. The theme is similar to other userChrome stylesheets, but it's intended for use with an autoconfig loader like fx-autoconfig, since it uses JavaScript to implement its more functional features.

  20. Google-Photos-Toolkit

    Userscript to filter, search, organize, or delete your Google Photos library

    Project mention: Google Photos Toolkit | news.ycombinator.com | 2024-08-19
  21. HandyImage

    browser userscript (extension) which Shows just fullsize Image with hotkeys & without pop-ups on many image-hosting sites

  22. Extension

    Browser extension to boost volume, change user agent, enable right click, copy & select, disable WebRTC, and save image as type (JPG, PNG & WebP). (by BrowserBoost)

  23. psdle

    Improving everyone's favorite online download list, one loop at a time.

  24. ChatGPT Auto Refresh

    ↻ Keeps ChatGPT sessions fresh to avoid network errors + Cloudflare checks

  25. userscript-clean-twitter

    Bring back the peace on Twitter

  26. SaaSHub

    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

    SaaSHub logo
NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

JavaScript userscript discussion

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JavaScript userscript related posts

  • Show HN: Paste2Download – No Login, No Ads, Download Videos Watermark Free

    3 projects | news.ycombinator.com | 16 Jun 2024
  • Ask HN: How do you use userscripts?

    6 projects | news.ycombinator.com | 6 Mar 2024
  • Expand Everything, a userscript that clicks the 'show more' buttons

    1 project | news.ycombinator.com | 14 Jan 2024
  • Extension for zooming images on Twitter

    1 project | /r/firefox | 9 Dec 2023
  • better-edpuzzle-userscript VS edpuzzle-answers - a user suggested alternative

    2 projects | 17 Oct 2023
  • Privacy Redirector - Redirect social media platforms to their privacy respecting frontends

    1 project | /r/userscripts | 6 Aug 2023
  • Privacy Redirector - Redirect social media platforms to their privacy respecting frontends

    1 project | /r/github | 4 Aug 2023
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    coderabbit.ai | 16 Feb 2025
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Index

What are some of the best open-source userscript projects in JavaScript? This list will help you:

# Project Stars
1 undiscord 5,588
2 pangu.js 4,434
3 h5player 3,185
4 Simple-YouTube-Age-Restriction-Bypass 2,279
5 control-panel-for-twitter 2,052
6 GitHub-userscripts 1,844
7 Iridium 1,333
8 maxurl 1,182
9 Stay 1,144
10 firefox-scripts 1,148
11 SearchJumper 852
12 katakana-terminator 766
13 GoodTwitter2 497
14 Tape-Operator 456
15 ChatGPT-DeMod 431
16 IMDb-Scout-Mod 420
17 uc.css.js 355
18 Google-Photos-Toolkit 301
19 HandyImage 279
20 Extension 241
21 psdle 198
22 ChatGPT Auto Refresh 195
23 userscript-clean-twitter 178

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