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Top 23 JavaScript browser-extension Projects
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well if you are still gonna browse on chrome don't settle for the ublock originless experience.
* download a release zip: https://github.com/gorhill/ublock/releases (expand Assets).
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SurveyJS
JavaScript Form Builder with No-Code UI & Built-In JSON Schema Editor. Add the SurveyJS white-label form builder to your JavaScript app (React/Angular/Vue3). Build complex JSON forms without coding. Fully customizable, works with any backend, perfect for data-heavy apps. Learn more.
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I have a bit of an obsession with finding the fastest way to launch apps. My goal is to be able to create fully functional MVP's and proofs of concept in less than a day. That means being able to spin up a backend and then implement a frontend as efficiently as possible. For the backend, PocketBase has been my favorite lately. On the frontend I am still trying to find a winner. I like Quasar (VueJS + Capacitor) which is fantastic for web apps, but falls a bit short for mobile apps. I've been eyeing React Native lately especially since Expo offers a ton of great plugins like Location and also supports remote updates.
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undiscord
Undiscord - Delete all messages in a Discord server / channel or DM (Easy and fast) Bulk delete
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Project mention: AdNauseam: Fight back against advertising surveillance | news.ycombinator.com | 2024-12-29
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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Project mention: Show HN: A Chrome extension that will auto-reject non-essential cookies | news.ycombinator.com | 2025-04-29
What's the difference between this and "I still don't care about cookies"[0]?
[0] https://github.com/OhMyGuus/I-Still-Dont-Care-About-Cookies
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GhostText
👻 Use your text editor to write in your browser. Everything you type in the editor will be instantly updated in the browser (and vice versa).
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Consent-O-Matic
Browser extension that automatically fills out cookie popups based on your preferences
Project mention: Consent-O-Matic has been removed from the Chrome Web Store | news.ycombinator.com | 2024-07-16 -
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nightTab
A neutral new tab page accented with a chosen colour. Customise the layout, style, background and bookmarks with nightTab.
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web-archives
Browser extension for viewing archived and cached versions of web pages, available for Chrome, Edge and Safari
>Hopefully they are also making substantial donations to the Internet Archive, since they will be directing a lot of traffic into it and basically using their infrastructure as a feature on their main product
WebArchive link is hidden so deep in the "About the source" page that vast majority of Google users won't even know that it exists.
There is excellent browser extension called Web Archives[0] that hooks all major web archiving services e.g. Archive.is, Wayback Machine and others in one place.
[0] https://github.com/dessant/web-archives
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challenge-bypass-extension
DEPRECATED - Client for Privacy Pass protocol providing unlinkable cryptographic tokens
Project mention: Obscura VPN – Privacy that's more than a promise | news.ycombinator.com | 2025-02-19I can understand that concern, and I think in the future some version of [Privacy Pass](https://privacypass.github.io/) will allow for site operators to differentiate between normal vs. abusive users without relying on IP reputation (which is more unreliable anyway since CGNAT is a thing).
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SaaSHub
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JavaScript browser-extension discussion
JavaScript browser-extension related posts
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PocketBase + React Native
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Someone at YouTube Needs Glasses
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Show HN: A Chrome extension that will auto-reject non-essential cookies
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A List of Hacker News's Undocumented Features and Behaviors
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Open Heart Protocol
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Orbit. Mozilla's AI Assistant for Firefox
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Browser extension to summarize HN comments
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A note from our sponsor - SaaSHub
www.saashub.com | 18 May 2025
Index
What are some of the best open-source browser-extension projects in JavaScript? This list will help you:
# | Project | Stars |
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1 | uBlock | 53,592 |
2 | Quasar Framework | 26,571 |
3 | octotree | 23,005 |
4 | chatGPTBox | 10,539 |
5 | buster | 8,483 |
6 | undiscord | 5,787 |
7 | AdNauseam | 4,761 |
8 | I-Still-Dont-Care-About-Cookies | 3,819 |
9 | GhostText | 3,434 |
10 | awesome-browser-extensions-for-github | 3,092 |
11 | Consent-O-Matic | 2,970 |
12 | web-ext | 2,872 |
13 | search-by-image | 2,621 |
14 | marinara | 2,417 |
15 | keepassxc-browser | 1,907 |
16 | nightTab | 1,907 |
17 | github-hovercard | 1,851 |
18 | better-onetab | 1,708 |
19 | read-aloud | 1,493 |
20 | duckduckgo-privacy-extension | 1,333 |
21 | web-archives | 1,317 |
22 | challenge-bypass-extension | 1,250 |
23 | maxurl | 1,246 |