uBlock icon

uBlock Chrome Extension Analysis

Privacy, Security & Ad Blockers

Chrome extension ID: epcnnfbjfcgphgdmggkamkmgojdagdnn

uBlock is a browser extension intended to automatically block advertisements, pop-ups, and trackers on various websites. It is marketed as a 'set and forget' solution that aims to improve browsing speed and security without requiring user customization.

Developer:ublock
Version:25.5.0
Size:59.73MiB
Last updated:

Overview

Installs

1.0M+

Rating

3.4

2,288 reviews

Languages

12 locales

Includes Deutsch, English, Nederlands, español...

Market analysis

Review-backed positioning, friction, and market signals for this Chrome extension.

Backed by review samples

Macro category

Privacy, Security & Ad Blockers

Pricing friction

Low review signal

Complaint intensity

High review signal

Listing & review signals
Observed signals from store listing text and review samples.

Listing positioning

The store listing positions this extension as a simple, no-nonsense ad blocker that requires zero configuration. It emphasizes speed, ease of use, and automatic protection against ads, trackers, and crypto-miners.

Inferred product pattern

Simple ad-blocking utility utilizing high-equity brand naming to gain visibility.

Review-backed pain points

Users frequently report that the extension UI displays a blank popup, making it impossible to manage settings or pause the blocker. There is significant frustration regarding brand ambiguity, with many users identifying this as a 'fake' or 'ripoff' of the original uBlock Origin.

Observed feature gaps

Lack of granular element zapping or manual blocking, no effective whitelist/pause functionality, and missing advanced configuration options found in comparable tools.

Tags
Ad BlockerPop-up BlockerTracker BlockerPrivacy Tool
Target users

- Casual web users

- Users seeking simplified ad-blocking

- Users looking to improve browser speed

Primary use cases

- Blocking display ads on websites

- Preventing pop-up windows

- Blocking malicious crypto-mining scripts

Positive themes

- Initial perception of simplicity

- Historical claims of effectiveness

Negative themes

- Brand confusion with uBlock Origin

- Inability to toggle or pause blocking

- Breakage of legitimate website functionality

- UI glitches like blank popups

Observed friction

- Performance complaints detected

- None identified; the product is claimed to be free.

Evidence boundary: Extracted from public listing content and user feedback provided in the input, specifically focusing on reported functional breakage and user sentiment regarding branding. Review data is heavily skewed by users mistaking this product for a different, well-known open-source project, which may impact sentiment metrics.
Complaint summaries
Review-backed complaint signals grouped by operational area.

Support

Users express frustration regarding the lack of transparency about the developer's identity and the inability to contact support.

Reliability

High incidence of reports regarding the extension UI becoming a 'blank white bar,' rendering the extension uncontrollable and unusable on certain websites.

Privacy

Primary concerns relate to users feeling misled by the branding, leading to distrust regarding the extension's actual intent.

Access & pricing

- Free usage observed

- No account requirement observed

- Free plan or free usage claimed

Store listing facts

Listing assets

- Screenshots: 3

- Videos: 0

- Languages: 12

Trust signals

- Privacy policy

- Developer contact

- Official website

- Support link

Store metadata

- Version: 25.5.0

- Size: 59.73MiB

- Last updated:

Store description excerpt
Short excerpt from the public Chrome Web Store listing; full copy is available on the official store page.
uBlock: A no-nonsense ad blocker. The official uBlock extension has been downloaded millions of times and is used all over the world. Install today and enjoy a hassle-free browsing experience! Why uBlock? ☑ Block ads on YouTube, Facebook, and the rest of your favorite sites ☑ Easy to set up, so you can get your pop-up blocker going right away ☑ No customization needed: automatically provides you with the best ad blocking ☑ Protect yourself from trackers, crypto-miners, other privacy risks ☑ Fast performance: less strain on your computer so you can browse with ease ☑ Free to use, making it easy to jump in and start removing ads ------------------------- What is uBlock? uBlock is an ad and content blocker designed to be lightweight and efficient. uBlock blocks ads on all websites, including Facebook and YouTube. uBlock also protects you against malicious crypto-mining scripts used by site…

Listing SEO keywords

Search intent keywords
Keyword signals for evaluating how users may discover, compare, or search for this extension category.

Core discovery

ad blocker for chromebest ad blockerblock youtube adspop up blocker extension

Comparison

ublock vs ublock originreal ublock origin

Problem

ublock not workingublock blank popupad blocker keeps crashing

Alternative

ublock originadblock plusprivacy badger

Similar extensions

Jump to related discovery paths:

FAQ

What is uBlock mainly used for?
uBlock is a browser extension intended to automatically block advertisements, pop-ups, and trackers on various websites. It is marketed as a 'set and forget' solution that aims to improve browsing speed and security without requiring user customization.
What market signals stand out?
Large installed base with substantial review base. Last known update: 09/26/2025.
What should builders compare before entering this space?
Compare install concentration, rating quality, update recency, screenshots, developer portfolio, listing claims, and review-backed friction signals.
Is this page review-backed?
Backed by review samples. This page combines store metadata with selected review signals, while raw store metrics remain visible for comparison.

Screenshots

uBlock screenshot
uBlock screenshot
uBlock screenshot

Links

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