uBlock Origin
Hacker ApprovedThe most recommended of 16 ad blockers
A trusted, free content blocker that strips ads, trackers, cookie banners and annoying page elements, best on Firefox now that Chrome dropped full support; occasionally breaks sites.
A trusted, free content blocker that strips ads, trackers, cookie banners and annoying page elements, best on Firefox now that Chrome dropped full support; occasionally breaks sites.
836 people gave an opinion
- recommend it
- 765
- criticize it
- 71
- approval share
- 92%
Recommended in 13 of 13 months
- November 2025: recommended
- December 2025: recommended
- January 2026: recommended
- February 2026: recommended
- March 2026: recommended
- April 2026: recommended
- May 2026: recommended
- June 2026: recommended
- July 2026: recommended
- August 2026: recommended
- September 2026: recommended
- October 2026: recommended
- November 2026: recommended (month in progress)
Owned for 2 years
Median of the 9 owners who said how long they have had it.
Each square is one year.
Why it carries the badge
- 765 people recommend itNeeds 10 or more, met.
- 11 recommenders for every criticNeeds 2 to 1 or better, met.
- Recommended in 13 of 13 monthsNeeds 4 or more, met.
The same three rules apply to every product, and the badge can’t be bought. How the badge works
What people say about it
The reasons people give, with the number of comments that give each one. Open a reason to read what they said.
Why people recommend it
Each mark is one comment
Blocks ads and trackers
“You can accomplish "no ads" and arguably substantially less tracking without Premium, though, with (e.g.) firefox and ublock origin.”
Comment from 1 Jun 2026 in “Meta launches Instagram, Facebook, and WhatsApp subscriptions” “Watching youtube with Firefox + ublock origins still gives you an experience free of the peppering of insufferable ad breaks”
Comment from 1 Nov 2026 in “HackerTube: YouTube built from videos recommended by HN” “combine a trustworthy VPN, a fingerprint-resistant browser, and uBlock Origin, you get a damn good internet privacy”
Comment from 2 Jun 2026 in “Age verification for social media, the beginning of the end for a free internet?” - Comment from 8 May 2026 in “Gambling ads on social media reach more than twice as many men as women: study”
- Comment from 21 Feb 2026 in “AI uBlock Blacklist”
- Comment from 20 Sep 2026 in “ChatGPT now knows what you do on other websites via ad collector”
Removes unwanted page elements
“You can use ublock origin browser extension per-site CSS rules to restore an arbitrary number of rows and columns to the youtube frontpage.”
Comment from 25 Nov 2025 in “Someone at YouTube Needs Glasses: The Prophecy Has Been Fulfilled” “the useful thing about ublock isn't just that it stops ads from loading, but that it lets you remove unwanted divs”
Comment from 11 Jun 2026 in “Google is finally killing uBlock Origin in Chrome for good” “I like that uBO can manipulate the dom, so that I can remove annoying divs or animations that I don't want.”
Comment from 4 Mar 2026 in “I'm reluctant to verify my identity or age for any online services” - Comment from 4 Jun 2026 in “The desperation of NYTimes”
- Comment from 14 Jul 2026 in “Your 'App' Could Have Been a Webpage (so I fixed it for you)”
- Comment from 12 Aug 2026 in “Ask HN: Has HN considered adding dark mode?”
Important security protection
“There really is no excuse in my mind for not running an ad blocker. It's as vital to personal computing security as firewalls and anti malware.”
Comment from 13 Feb 2026 in “Resizing windows on macOS Tahoe – the saga continues” “At $JOB IT actually bundles uBlock in all the browsers available to us, as per CIA guidelines it's a very important security tool.”
Comment from 12 Feb 2026 in “Claude Code Is Being Dumbed Down” “Those are also both excellent for security since the main threat is malicious scripts served up by ad networks.”
Comment from 31 Aug 2026 in “Google Has Removed MV2 Extensions from the Chrome Web Store, Including UBO” - Comment from 21 Dec 2025 in “I can't upgrade to Windows 11, now leave me alone”
- Comment from 20 Sep 2026 in “ChatGPT now knows what you do on other websites via ad collector”
Hides cookie notices and annoyances
“Fortunately, if you have uBlock Origin, you can enable Easylist cookie notices under annoyances and avoid most of them.”
Comment from 26 Jul 2026 in “Kill The Cookie Banner” “Luckily tools such as uBlock Origin let you block all those nasty scripts, including the cookie banner themselves.”
Comment from 14 Jul 2026 in “Your 'App' Could Have Been a Webpage (so I fixed it for you)” “whatever ublock origin on firefox does to remove overlays and ads seems to be also removing the paywall on that”
Comment from 11 Oct 2026 in “Show HN: WallHop – 12ft.io is gone, so I built a replacement”
What people warn about
Each mark is one comment
Occasionally breaks websites
“it's uBlock Origin causing the problem. Disabling the plug-in for the site means Firefox no longer displays an error.”
Comment from 6 Jan 2026 in “65% of Hacker News Posts Have Negative Sentiment, and They Outperform” “This occasionally causes breakage though; because many cookie notices open up modal dialogs and disable scrolling.”
Comment from 19 Nov 2025 in “Europe's cookie nightmare is crumbling. EC wants preference at browser level” “UBlock and other options remove the banner or consent screens fine, but this breaks functionality sometimes.”
Comment from 18 Jan 2026 in “Consent-O-Matic” - Comment from 18 Jan 2026 in “Consent-O-Matic”
- Comment from 8 Dec 2025 in “How I block all online ads”
- Comment from 7 Nov 2025 in “Gmail AI gets more intrusive”
Crippled on Chrome and Safari
“this change removed capabilities that content blockers like uBlock Origin relied on for effective ad and tracker blocking”
Comment from 16 Jun 2026 in “Google Chrome update will close the door on ad blockers” “The UBO on Safari has the same issue as chrome except that it has been that way for several years longer”
Comment from 31 Aug 2026 in “Google Has Removed MV2 Extensions from the Chrome Web Store, Including UBO” “Google garnered a lot of opposition to its evil rule by destroying ublock origin (on chrome).”
Comment from 16 Aug 2026 in “Firefox for iOS now has a native adblocker” Some ads slip through
“Twitch did that a while back and uBlock Origin was ineffective against their video ads within a few months.”
Comment from 13 Aug 2026 in “uBlock Origin Is Giving Up the Fight to Keep Ads Off Facebook” “uBlock Origin doesn't block the modern equivalent of pop-up ads unless you manually block elements”
Comment from 1 Jan 2026 in “Web Browsers have stopped blocking pop-ups”
Other ad blockers people recommend
The four most recommended other ad blockers, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.
| Product | Recommend | Criticize | Approval | Months | Owned | Badge |
|---|---|---|---|---|---|---|
| uBlock Origin | 765 | 71 | 92% | 13 | 2 yrs9 owners | Approved |
| uBlock Origin Lite | 148 | 65 | 69% | 12 | 1 yr5 owners | Approved |
| AdGuard | 78 | 8 | 91% | 12 | — | Approved |
| Wipr 2 | 41 | 7 | 85% | 11 | — | Approved |
| uBlock | 32 | 4 | 89% | 12 | — | Approved |
What people said
40 of the 1,222 comments that mention it, newest first. Each links to the original comment.
“Watching youtube with Firefox + ublock origins still gives you an experience free of the peppering of insufferable ad breaks”
“whatever ublock origin on firefox does to remove overlays and ads seems to be also removing the paywall on that”
“well firefox+ublock is still an option for those wise enough not to let unknown javascript with new daily zero-days run on their PC”
“Those are also both excellent for security since the main threat is malicious scripts served up by ad networks.”
“The UBO on Safari has the same issue as chrome except that it has been that way for several years longer”
“Google garnered a lot of opposition to its evil rule by destroying ublock origin (on chrome).”
“Helium still uses it to fetch and run uBlock Origin out of the box for mitigation against trackers, malware and ads.”
“It's just that uBlock Origin is so insanely useful, important and trusted, it should get full access to the entire browser regardless.”
“Twitch did that a while back and uBlock Origin was ineffective against their video ads within a few months.”
“One could add it locally however if they have uBlock Origin in their browser then one way to add a dark mode”
“The ram usage in this case is an order of magnitude lower if you install ublock in edge, as other comments have noted.”
“Fortunately, if you have uBlock Origin, you can enable Easylist cookie notices under annoyances and avoid most of them.”
“Luckily tools such as uBlock Origin let you block all those nasty scripts, including the cookie banner themselves.”
“But Youtube pushed me too far when it started playing two consecutive commercials at regular intervals that cannot be skipped”
“this change removed capabilities that content blockers like uBlock Origin relied on for effective ad and tracker blocking”
“the useful thing about ublock isn't just that it stops ads from loading, but that it lets you remove unwanted divs”
“regularly use it to block modals and things that my filter lists (every single one activated) don't cover already.”
“combine a trustworthy VPN, a fingerprint-resistant browser, and uBlock Origin, you get a damn good internet privacy”
“You can accomplish "no ads" and arguably substantially less tracking without Premium, though, with (e.g.) firefox and ublock origin.”
“I use e. g. ublock origin so thankfully most of those spam-ads that are of zero interest to me, I never get to see.”
“create a locked down profile with ublock origin installed with webrtc disabled in advanced mode and block everything be default”
“Supporting ublock isn't just a nice-to-have add-on feature for an extension API, it's literally the only thing most users care about.”
“I like that uBO can manipulate the dom, so that I can remove annoying divs or animations that I don't want.”
“According to uBlock Origin it blocked 9.5 million requests to ads/third party trackers since I installed it.”
“I can't even stand to visit YT without the combo of Blocktube/Unhook/uBlock Origin/SponsorBlock/Return YouTube Dislike.”
“There really is no excuse in my mind for not running an ad blocker. It's as vital to personal computing security as firewalls and anti malware.”
“At $JOB IT actually bundles uBlock in all the browsers available to us, as per CIA guidelines it's a very important security tool.”
“UBlock and other options remove the banner or consent screens fine, but this breaks functionality sometimes.”
“uBlock is often only removing the actual dialog, so you end up with a page you can't scroll up or down”
“I think in the last 12 months of using that unlock list I've only counted less than five times where sites have broken with that list enabled”
“it's uBlock Origin causing the problem. Disabling the plug-in for the site means Firefox no longer displays an error.”
“uBlock Origin doesn't block the modern equivalent of pop-up ads unless you manually block elements”
“You wouldn't need an antivirus with a properly locked browser with UBlock Origin and OFC no damn HTML email.”
“blocking/unblocking domains, scripts, etc. on a case-by-case basis is a more reliable way to defend your right to privacy”
“Blocking isn't the issue, it's the websites that straight up break that are the hard part.”
“most of the key differentiators of Brave could be accomplished similarly in Firebox with a litany of extensions -- such as UBlock Origin”
“Startpage, DDG, Brave, Ublock, NextDNS, Proton, Mulvad, and all those similar companies and OSS exist literally because people were infuriated at the Big Tech bait-and-switch tactics”
“You can use ublock origin browser extension per-site CSS rules to restore an arbitrary number of rows and columns to the youtube frontpage.”
“This occasionally causes breakage though; because many cookie notices open up modal dialogs and disable scrolling.”
“YouTube causes an unresponsive tab that doesn't play the video, and a blast of errors on the console.”
Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.