Who is behind AdBlock for Firefox?

AdBlock for Firefox is operated by AdBlock.

Is AdBlock for Firefox Safe? — Extension Safety Profile

Quick verdict: AdBlock for Firefox earns a safety grade A, 81.5 out of 100, based on 5 of 5 dimensions.

81.5/100

Grade A · 5 of 5 checks

What we found

Ad & Content Blockers · Data updated 2026-08-04

Automated safety profile from public signals (the extension's manifest & permissions, store listing, publisher, privacy policy). A full review hasn't been published yet.

What this safety grade means

AdBlock for Firefox earns a safety grade of A (81.5/100), measured across 5 of 5 dimensions. Its strongest area is Maintenance & Ownership (100%). The weakest is Data & Privacy (50%) — what holds its grade back the most.

On the public records we can check, AdBlock for Firefox comes through cleanly. 1,271,554 active users/installs reported on the store. Store rating 4.2/5 from 3,534 user ratings. Last updated on the store 2026-07-23. This is an automated profile, not a hands-on review — so treat the grade as a starting point: open AdBlock for Firefox's own store listing and privacy policy before installing, and weigh it against the other ad & content blockers extensions we track below.

Safety Signals

Based on 5 of 5 safety dimensions

Dimension	Score	Source
Publisher & Identity	60% · 4.8/8 pts	Automated signals
Permissions & Access	85% · 14.2/16.7 pts	Automated signals
Data & Privacy	50% · 2/4 pts	Automated signals
Maintenance & Ownership	100% · 7.5/7.5 pts	Automated signals
Community Reputation	92% · 9.2/10 pts	Automated signals

Who's Behind AdBlock for Firefox?

Publisher AdBlock

Public records identify the publisher, but no individual founders or a separate registered company are named — which is what holds the Publisher & Identity score back. Less public information about who operates an extension means less you can verify about their long-term accountability.

How it compares

Among the 12 Ad & Content Blockers extensions we track, AdBlock for Firefox scores higher on safety than 8% of them.

Computed from our own database of assessed Ad & Content Blockers extensions — updated as we track more.

Evidence on File (8)

Founder public: Publisher publicly identified: AdBlock (individual founders not separately named).

Source: getadblock.com ↗ · Captured 2026-06-18

Registered company: AdBlock.

Source: getadblock.com ↗ · Captured 2026-06-18

Privacy unverified: We could not locate a public privacy policy to verify how AdBlock for Firefox handles your data — treat its data practices as unverified and check the vendor's own site.

Our reports database · Captured 2026-08-04

High-capability permissions: Requests 4 high-capability permission(s): tabs, webnavigation, webrequest, webrequestblocking — all expected for Ad & Content Blockers extensions to do their job.

Source: addons.mozilla.org ↗ · Captured 2026-08-04

Website access scope: Requests access to all websites (<all_urls>, http://*/*, https://*/* +14 more) — expected for Ad & Content Blockers extensions, which have to work across the sites you visit.

Source: addons.mozilla.org ↗ · Captured 2026-08-04

Last updated recency: Last updated on the store 2026-07-23.

Source: addons.mozilla.org ↗ · Captured 2026-08-04

Store rating: Store rating 4.2/5 from 3,534 user ratings.

Source: addons.mozilla.org ↗ · Captured 2026-08-04

Store users: 1,271,554 active users/installs reported on the store.

Source: addons.mozilla.org ↗ · Captured 2026-08-04

AdBlock for Firefox FAQ

Is AdBlock for Firefox safe?: AdBlock for Firefox earns a safety grade of A (81.5/100) on our evidence-based assessment, based on 5 of 5 safety dimensions we could verify from public records. This is an automated profile built from public records, not a hands-on review.
Who is behind AdBlock for Firefox?: AdBlock for Firefox is operated by AdBlock.