Use JShelter, a browser extension that mitigates JavaScript threats such as fingerprinting, tracking, and data collection.
SponsorBlock
Skip sponsored segments in YouTube videos with SponsorBlock, a crowdsourced extension and open API.
About SponsorBlock
SponsorBlock is a crowdsourced browser extension and open API for skipping sponsor segments in YouTube videos. Users submit when a sponsor occurs from the extension, and the extension automatically skips segments it knows about using a privacy-preserving query system.
It also supports skipping intros, outros and reminders to subscribe, and skipping to the point with highlight. Its segment database can be downloaded by anyone, and the public API can be used to host a mirror.
Key features
- Automatically skip known sponsor segments in YouTube videos
- Submit sponsor timestamps from the extension
- Skip intros, outros and subscribe reminders
- Skip to the point with highlight
- Query known segments with privacy-preserving system
- Use open API with downloadable database
Best for: People who watch YouTube videos and want to skip sponsor segments and other recurring sections.
Good for
- Crowdsourced submissions supply skip timestamps
- Covers intros, outros and subscribe reminders besides sponsors
- Open API and downloadable database support mirrors
Watch out for
- Only skips sponsor segments already submitted by users
SponsorBlock at a glance
- Website
- sponsor.ajay.app
- Category
- Privacy & Security › Ad & Tracker Blockers
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Browser extension, Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
SponsorBlock alternatives
Tools and sites you could use instead, ranked by how closely they match.
This SponsorBlock wiki page lists third-party ports of the browser extension for other platforms and explains how to report issues.
Open source
10 alternatives
CastSponsorSkip is a Go program that uses the SponsorBlock API to skip sponsored YouTube segments and skippable ads on local Google Cast devices.
Open source
24 alternatives
SB.js brings SponsorBlock to a bookmarklet or userscript for restrictive environments, with loader and standalone usage options.
Open source
24 alternatives
This article explains ways to filter ads and block popups on iPhone and macOS, including options for Safari and Apple's browser environment.
Block ads across a network with Pi-hole, which filters DNS requests for connected devices.
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SponsorBlock FAQ
How does SponsorBlock identify sponsor segments?
Users submit when a sponsor happens from the extension, and the extension automatically skips sponsors it knows about.
What can it skip besides sponsor segments?
Intros, outros, reminders to subscribe, and highlights for skipping to the point.
Where can I check server status?
Check status.sponsor.ajay.app for server status.
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