uBlock Origin vs Adblock Plus - Comparison 2026

Compare uBlock Origin and Adblock Plus for Chrome. See which extension offers better features, privacy, and value.

Ublock Origin vs Adblock Plus: Side-by-Side Comparison

Choosing between Ublock Origin and Adblock Plus? This comparison breaks down the key differences in features, permissions, privacy, and safety scores to help you pick the right Chrome extension. Both extensions serve a similar purpose, but they differ in approach, data access, and long-term reliability.

Features & Functionality
Compare the core functionality of Ublock Origin and Adblock Plus to see which better fits your workflow, including unique capabilities each one offers.
Permissions & Privacy
Review what data each extension can access and how permissions compare between Ublock Origin and Adblock Plus. Fewer permissions generally means less risk to your browsing data.
Safety Scores
See how Ublock Origin and Adblock Plus rank on our automated safety analysis including developer reputation, update cadence, and user-reported issues.
Performance Impact
Evaluate how Ublock Origin and Adblock Plus affect browser speed and memory usage. Lighter extensions mean a faster browsing experience.
User Ratings & Reviews
Compare community feedback for Ublock Origin and Adblock Plus based on Chrome Web Store ratings, review sentiment, and reported bugs.

How We Compare Extensions

Every comparison on Zovo is data-driven. We pull permission manifests, analyze network behavior, aggregate user reviews, and run automated safety scoring so you get an objective, reproducible evaluation rather than subjective opinions.

Explore Each Extension

See Full Category Rankings

Want to see all the top-rated options? Check our Best Ad Blockers Chrome Extensions list for the complete rankings.

✅ Expert Verdict: uBlock Origin Wins

uBlock Origin blocks more ads, uses fewer resources, and has no acceptable ads loophole.

Comparison Categories

Protection LevelEase of UsePerformance ImpactCustomizationTransparency

Ublock Origin vs Adblock Plus: Frequently Asked Questions

Which blocks more ads?

uBlock Origin blocks more ads by default because it does not have an acceptable ads program. Adblock Plus allows certain paid ads through unless you disable it.

Which uses less memory?

uBlock Origin uses 50-70% less RAM than Adblock Plus in independent benchmarks, especially with multiple filter lists enabled.

Can I switch from Adblock Plus to uBlock Origin easily?

Yes. Install uBlock Origin, uninstall Adblock Plus. uBlock Origin works immediately with sensible defaults. Custom filters need manual re-entry.