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Top 7 JavaScript Adblocker Projects
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Project mention: How to Detect AdBlock/AdBlockPlus Activation Status with JavaScript | dev.to | 2025-03-22
Tried multiple open-source solutions from GitHub, all failed: 1，f**kAdblock
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WebShield
A new wide-spectrum content blocker for Safari designed to be performant, efficient, and effective.
Project mention: WebShield – A new wide-spectrum content blocker for Safari | news.ycombinator.com | 2025-02-28To set a baseline: Ad blockers work by a combination of static rulesets and dynamic javascript.
Safari does not support the ruleset format of Chrome/Firefox, so a ruleset has to be maintained for it specifically. In practice this is always the AdGuard ruleset. I doubt a single adblocker doesn't use this as a base.
Beyond that is the custom JS they inject. It's hard to say how good it is but that is the only selling point:
- https://github.com/arjpar/WebShield/tree/cae7629f1c5fb79fe76...
AdGuard has its own too:
- https://github.com/AdguardTeam/AdGuardForSafari/tree/master/... (JS files)
They look similar in a lot of ways, because well they have to, but I haven't done any deep analysis.
Safari extensions will never match uBlock Origin because it simply does not provide the same APIs (webRequest blocking and DNS) that Firefox does.
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Project mention: First Came 'Spam.' Now, with A.I., We've Got 'Slop' | news.ycombinator.com | 2024-06-11
LPT: Recipe Filter is shockingly good at cutting out all the filler and presenting it in an easy-to-read format
https://github.com/sean-public/RecipeFilter
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ttv_adEraser
TTV AdEraser aims to remove livestream ads as well as add some useful features to our favourite streaming site.
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Youtube-AdBlocker
New Youtube AdBlocker Extension For Chrome, Microsoft Edge And Mozilla Firefox- 2023
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adblock-filter-analyzer
AdBlock Filter Syntax code highlighter and partial validator. Colorizes and explains the syntax. Good for learning.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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 Adblocker discussion
JavaScript Adblocker related posts
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The day the music died
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YouTube's new adblock policy
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How to disable a single list for a specific domain
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How to block ads on twitch
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T1 says no to ads
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Any new ways to block twitch ads?
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Twitch Turbo price changed from $8.99 to $11.99
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A note from our sponsor - CodeRabbit
coderabbit.ai | 24 Mar 2025
Index
What are some of the best open-source Adblocker projects in JavaScript? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | FuckAdBlock | 1,897 |
| 2 | WebShield | 354 |
| 3 | RecipeFilter | 295 |
| 4 | ttv_adEraser | 127 |
| 5 | Youtube-AdBlocker | 54 |
| 6 | adblock-filter-analyzer | 17 |
| 7 | Reddit-ChromeExt-PromotedBlock | 2 |
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