Onyx Tab
Onyx Tab is a Firefox browser extension that blocks content on web pages. It is available for Firefox on desktop and Android, with optional access to data on websites and no developer-declared data collection.
Overview
5 featuresOnyx Tab is a Browser DevTools & extensions project. It focuses on blocking unwanted content while browsing the web in Firefox. It is built as a consumer product for firefox users who want browser content blocking. Onyx Tab is free to use. Onyx Tab is available on the web and embeddable surfaces.
It is developed by ayen, and it first shipped in 2026. Among its 5 catalogued features are content blocking, optional website access, and firefox for Android. The interface is available in 32 languages, including Czech, German, and Greek.
Summary written by a language model from the project’s public pages.
- Content blocking
- Optional website access
- Firefox for Android
- No data collection
- Permission controls
Built with & integrations
Trust & compliance
Indexing history
1What PulseGate has recorded for this listing
Frequently asked questions about Onyx Tab
- What is Onyx Tab?
- Onyx Tab focuses on blocking unwanted content while browsing the web in Firefox. It is catalogued under Browser DevTools & extensions on PulseGate.
- Who should use Onyx Tab?
- Onyx Tab is a consumer product built for firefox users who want browser content blocking.
- Is Onyx Tab free?
- Yes — Onyx Tab is free to use.
- What platforms does Onyx Tab run on?
- Onyx Tab runs on the web and embeddable surfaces.
- Is Onyx Tab still maintained?
- Unverified. Onyx Tab 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.
- Who develops Onyx Tab?
- Onyx Tab is developed by ayen.
- How long has Onyx Tab been around?
- Onyx Tab first shipped in 2026.
- What languages does Onyx Tab support?
- The interface is available in 32 languages, including Czech, German, and Greek.
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