A free, open-source browser extension that blocks ads, trackers, and other content using browser-enforced declarative rules.
The free extension provides established filter lists, adjustable filtering modes, and custom filters. Its MV3 design limits some filtering capabilities, and documented support is through project channels.
This profile combines documented product information and independent evidence where available. It is not a hands-on test unless TechZella explicitly identifies one.
A quick way to understand who this product may suit, where its limits matter, and which facts are most relevant before you compare alternatives.
Individuals who want free browser-level ad and tracker filtering, especially on browsers that use Manifest V3.
Users who depend on dynamic filtering, extensive per-site controls, or full uBlock Origin filtering capabilities may prefer the full extension where supported, and should evaluate alternatives such as AdGuard AdBlocker or Adblock Plus instead.
Chrome extension, Firefox Extension, iOS, Microsoft Edge extension, Safari
8.4/10
uBlock Origin Lite is a free, open-source content-blocking extension by Raymond Hill. It blocks network requests and applies page filtering through declarative browser rules.
Its default filter set includes uBlock Origin’s lists, EasyList, EasyPrivacy, and Peter Lowe’s ad and tracking server list. Users can enable additional rulesets and create custom filters.
These are the product-specific differences that may matter when deciding whether the software fits your workflow. They are based on documented evidence rather than a universal ranking.
These are documented constraints or practical friction points that may matter before you adopt the product.
Users may need to adjust the mode for specific websites, which can affect site compatibility and the amount of filtering.
Evidence source ↗Users expecting independent, immediate updates to built-in filter lists should account for the extension's release cycle.
Evidence source ↗Installing the app alone may not complete Safari's permission and content-blocking setup.
Evidence source ↗For security-sensitive software, TechZella focuses on documented architecture, authentication, data handling, deployment and privacy details that can affect a buying decision. This is product research, not an independent security audit.
| Data collection | Developer states that no data is collected; explicitly subscribed remote filter lists are fetched from their host servers. |
|---|---|
| Deployment | Browser extension; Safari version distributed through the App Store. |
The Chrome Web Store listing identifies these default filter sources.
Source ↗Security claims are presented only when supported by documented sources. The presence of this section does not constitute a penetration test, certification or independent security audit.
Free browser extension; no paid plans or trial period were listed on the official store pages reviewed.
Check current pricing →Pricing may change. Verify current plans on the vendor's website.
Compare similar products directly, then see which alternatives may make more sense when your requirements differ.
These products address broadly similar requirements. The descriptions focus on documented reasons a buyer might compare them with ublock origin lite.
| Product type | Browser extension and content blocker |
|---|---|
| Developer | Raymond Hill (gorhill) |
| License | GNU General Public License v3.0 only |
| Platform | Chrome, Microsoft Edge, Firefox, Safari; Firefox listing supports Android, and Apple listing supports iPhone, iPad, and Mac. |
| Pricing | Free |
| Free trial | Not applicable; product is free. |
| API | No public product API documented. |
| Integrations | No separate third-party integration catalogue documented; optional remote filter-list subscriptions are supported. |
| Data collection | Developer states that no data is collected; explicitly subscribed remote filter lists are fetched from their host servers. |
| Deployment | Browser extension; Safari version distributed through the App Store. |
Verified installation, hosting, administration, or environment details that can affect implementation.
| Installation or hosting | Installed as a browser extension from the relevant browser extension store; Safari distribution is through the App Store. Source ↗ |
|---|
A proprietary editorial score based on product capabilities, usability, value, performance, support and user sentiment evidence.
The free extension provides established filter lists, adjustable filtering modes, and custom filters. Its MV3 design limits some filtering capabilities, and documented support is through project channels.
Methodology v1.0. The assessment weighs feature coverage (25%), ease of use (15%), value for money (20%), performance (15%), support (10%) and user sentiment (15%), using researched product evidence and verified review evidence where available. It is a TechZella editorial assessment, not a direct user-review average.
Key claims are linked to the sources used to verify them. This evidence record is separate from third-party user ratings.
TechZella evaluates software using documented product capabilities, pricing information, usability and value considerations, independent user evidence where available, and competitive context. The assessment is an editorial review, not a hands-on test unless one is explicitly identified. Our editorial assessment is based on 6 documented sources.
The Chrome Web Store listing identifies these default filter sources.
View source ↗Verified 2026-10-05The official project and store listing describe its declarative operating model.
View source ↗Verified 2026-10-05The project privacy policy specifies these practices and notes remote requests for explicitly enabled filter lists.
View source ↗Verified 2026-10-05The official quick guide documents creating and managing custom filters; the permission documentation describes subscribed remote lists.
View source ↗Verified 2026-10-05Mozilla's version history lists the current build's compatible Firefox versions.
View source ↗Verified 2026-10-05The App Store listing identifies the app as free and lists those device families.
View source ↗Verified 2026-10-05No reviews yet. Be the first to share your experience.
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Is uBlock Origin Lite free? Yes. Its Chrome, Edge, Firefox, and Apple store listings show no charge.
Does it have an API? No public product API was documented in the official materials reviewed.
Is there a free trial? No trial is needed; the extension is free.
Does it collect user data? Its developer states that it collects no data and uses no telemetry. The extension may retrieve remote filter lists if a user explicitly subscribes to them.
How does it differ from full uBlock Origin? Lite uses Manifest V3 declarative rules, which constrain some filtering capabilities available in the full extension.
