Ublok
Ublok is a Firefox browser extension that blocks ads, pop-ups, trackers, autoplay, fingerprinting, and some anti-adblock mechanisms. It offers Basic and Ultra modes and uses community-maintained filter lists such as EasyList and uBlock Origin lists.
Overview
10 featuresUblok is a Browser DevTools & extensions project. It focuses on blocking intrusive ads, pop-ups, trackers, and unwanted browser activity while browsing the web. It is built as a consumer product for firefox users who want ad and tracker blocking. Ublok is free to use. It ships for the web and embeddable surfaces.
k1ngst0ne builds and maintains Ublok, and it first shipped in 2026. Among its 10 catalogued features are ad blocking, tracker blocking, and pop-up blocking. The interface is available in 32 languages, including Czech, German, and Greek.
Summary written by a language model from the project’s public pages.
- Ad blocking
- Tracker blocking
- Pop-up blocking
- YouTube ad blocking
- Anti-adblock handling
- Autoplay blocking
- Fingerprinting protection
- Filter list updates
- Basic mode
- Ultra mode
Built with & integrations
Trust & compliance
Indexing history
1What PulseGate has recorded for this listing
Frequently asked questions about Ublok
- What does Ublok do?
- Ublok focuses on blocking intrusive ads, pop-ups, trackers, and unwanted browser activity while browsing the web. It is catalogued under Browser DevTools & extensions on PulseGate.
- Who is Ublok for?
- Ublok is a consumer product built for firefox users who want ad and tracker blocking.
- Does Ublok have a free plan?
- Yes — Ublok is free to use.
- What platforms does Ublok run on?
- Ublok runs on the web and embeddable surfaces.
- Is Ublok still active?
- Unverified. Ublok has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
- What projects are similar to Ublok?
- Similar projects tracked by PulseGate include Popupblocker, Ads Block- Free ad blocker, and Mon Bloqueur de Pubs.PopupblockerAds Block- Free ad blockerMon Bloqueur de Pubs
- Who develops Ublok?
- Ublok is developed by k1ngst0ne.
- How long has Ublok been around?
- Ublok first shipped in 2026.
Similar projects
Closest matches by what these projects do