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SponsorBlock

Open-source, crowdsourced extension that skips sponsor segments and other filler in YouTube videos.

Open sourceAd and tracker blockers
Visit SponsorBlockSee 3 alternatives
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About SponsorBlock

SponsorBlock tackles the ads that regular blockers can't touch: sponsor reads built into YouTube videos themselves. Users mark where sponsor segments start and end, and the extension automatically skips segments others have submitted, using a privacy-preserving query system so the server doesn't learn which video you're watching. Beyond sponsors, it can skip intros, outros, self-promotion and subscription reminders, and jump straight to a video's highlight. Segments are voted on to keep quality up. The extension is free and open source, the whole segment database can be downloaded by anyone, and there is a public API used by many third-party apps and ports, including some mobile YouTube clients. It is built and maintained by Ajay Ramachandran with community contributors. Coverage depends on contributors, so smaller channels and brand-new uploads often have no segments yet.

Best for: Heavy YouTube viewers tired of in-video sponsor reads and filler.

Pros and cons

What works

  • Skips sponsor reads that ad blockers can't remove
  • Open database and public API
  • Also skips intros, outros and reminders

Why people leave

  • Depends on community submissions
  • New and small-channel videos often lack segments
  • Doesn't block YouTube's own ads

Top SponsorBlock alternatives

See all 3
  1. 1uBlock Origin logo
    uBlock Origin

    Pair with it to remove YouTube's own ads, which SponsorBlock doesn't touch.

    66.5
  2. 2AdGuard logo
    AdGuard

    Blocks YouTube ads system-wide, including in apps.

    62.6
  3. 3Ghostery logo
    Ghostery

    Free blocker that removes YouTube ads on desktop and Safari.

    59.6

Why people left SponsorBlock

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SponsorBlock: common questions

Is SponsorBlock free?

Yes. SponsorBlock is free, open-source software.

Is SponsorBlock open source?

Yes. The source code is on GitHub at ajayyy/SponsorBlock.

What platforms does SponsorBlock run on?

SponsorBlock is available for Browser extension.

What are the best alternatives to SponsorBlock?

The highest-ranked SponsorBlock alternatives right now are uBlock Origin, AdGuard and Ghostery. See the full ranked list for pricing, platforms and verified facts.

See all 3 SponsorBlock alternatives