The Problem with "Free" Ad Blockers
Some free ad blockers make money by:
- Showing "Acceptable Ads" (AdBlock Plus)
- Selling anonymized browsing data
- Injecting their own affiliate links
- Showing sponsored recommendations
Here are the ad blockers that are genuinely free without these compromises.
Top Free Ad Blockers (No Strings Attached)
1. DNDShield (Free tier)
- Blocks ads, trackers, popups, redirects
- Video features" class="doc-internal-link">ad blocking on YouTube, Twitch, etc.
- Automatic cookie cleaning
- Filter rules from EasyList, EasyPrivacy and AdGuard’s lists
- No "acceptable ads" program
- Monetization: Optional paid Pro plan (cloud sync, multi-device)
2. uBlock Origin
- Most powerful free ad blocker
- Highly configurable
- Open source (GPLv3)
- No monetization at all — fully volunteer-maintained
- Note: Manifest V3 version (Lite) has reduced capabilities
3. Brave Browser (Built-in)
- Ad blocking built into the browser
- No extension needed
- Also blocks fingerprinting
- Monetization: Brave Ads (opt-in, you earn crypto)
Ad Blockers to Avoid
AdBlock Plus
Shows "Acceptable Ads" by default — large companies pay to have their ads allowlisted. You can disable this, but it's deceptive.
Hola Ad Blocker / Various "Free VPN + Ad Blocker" combos
Many of these sell your browsing data or route your traffic through other users' connections.
Unknown/New Ad Blockers with <1000 Users
Could be data-harvesting malware disguised as ad blockers. Stick to well-known, reviewed extensions.
How to Check if Your Ad Blocker Is Trustworthy
- Check permissions: Does it need "Read and change all your data on all websites"? All ad blockers need this — but check what else they request
- Check the source: Is it open source? Can you verify the code?
- Check the business model: How does it make money? If it's free with no paid tier and no donations, be suspicious
- Check reviews: Look for reviews mentioning privacy concerns
FAQ
Can a free ad blocker be as good as a paid one? Yes. uBlock Origin and DNDShield's free tier are excellent. Paid plans typically add convenience features (cloud sync, multi-device) rather than better blocking.
Are ad blockers safe? Reputable ad blockers (uBlock Origin, DNDShield, AdGuard) are safe. Be cautious of unknown ad blockers — they have access to all your browsing data.
Want one that also slips past "please disable your ad blocker" walls? See Undetectable Ad Blocking.