Software · head to head
AdBlock Plus vs Web Developer
The short version
- Each has a real cost: AdBlock Plus acceptable Ads allowlist model generates controversy over ad filtering conflicts of interest; Web Developer the Web Developer browser extension is licensed GPL-3.0 per its GitHub repository (github.com/chrispederick/web-developer), which states 'All files are distributed for free under the terms of the GNU General Public License,' confirming it has no vendor pricing model to compare.
- They diverge on capability: AdBlock Plus covers Ad blocking, Web Developer covers CSS inspection.
Where they differ
Only the attributes on which AdBlock Plus and Web Developer actually diverge.
| Attribute | AdBlock Plus | Web Developer |
|---|---|---|
| Platforms | Chrome, Edge, Firefox, Opera, Safari, Yandex Browser | Chrome, Firefox, Edge, Opera |
| Founded | 2006 | 2003 |
Identical on both: starting price (Free), pricing model (free), free tier (Yes), user rating (Not yet rated), category (Unknown).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in AdBlock Plus
- Ad blocking
- Acceptable Ads
- Custom filters
- Social media blocking
- Safari support
Only in Web Developer
- CSS inspection
- Form debugging
- Image analysis
- Element outlining
Both cover
- Chrome support
- Firefox support
- Edge support
- Opera support
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
AdBlock Plus
- Acceptable Ads allowlist model generates controversy over ad filtering conflicts of interest
- Smaller feature set compared to open-source alternatives like uBlock Origin
- Less customization and dynamic filtering compared to uBlock Origin
- Mobile version less comprehensive than desktop extension
- Chrome version increasingly limited due to Manifest V3 migration
Web Developer
- The Web Developer browser extension is licensed GPL-3.0 per its GitHub repository (github.com/chrispederick/web-developer), which states 'All files are distributed for free under the terms of the GNU General Public License,' confirming it has no vendor pricing model to compare.
Pricing, plan by plan
AdBlock Plus
Free- FreeFree
- Ad blocking
- Acceptable Ads option
- Custom filters
Web Developer
Free- FreeFree
- CSS tools
- Form tools
- Image tools
Which should you pick?
Choose AdBlock Plus if
- You need ad blocking.
- You want to start without paying.
- You work on Chrome, Edge, Firefox, Opera, Safari, Yandex Browser.
- You also want acceptable ads.
Choose Web Developer if
- You need css inspection.
- You want to start without paying.
- You work on Chrome, Firefox, Edge, Opera.
- You also want form debugging.
Questions people ask
- Is AdBlock Plus or Web Developer better?
- Neither clearly leads. AdBlock Plus starts at Free and Web Developer at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, AdBlock Plus or Web Developer?
- AdBlock Plus starts at Free and Web Developer at Free.
- Does AdBlock Plus or Web Developer run on more platforms?
- AdBlock Plus runs on Chrome, Edge, Firefox, Opera, Safari, Yandex Browser. Web Developer runs on Chrome, Firefox, Edge, Opera.
- Can I use AdBlock Plus for free?
- Both have a free tier, so you can try either at no cost before committing.
- What can AdBlock Plus do that Web Developer cannot?
- AdBlock Plus covers Ad blocking, Acceptable Ads, Custom filters, Social media blocking. Web Developer covers CSS inspection, Form debugging, Image analysis, Element outlining. Both handle Chrome support, Firefox support, Edge support, Opera support.
Answered from the vendors’ own pages
AdBlock Plus: What does Adblock Plus block?
Adblock Plus blocks banner ads, pre-roll and mid-roll video ads on YouTube, pop-ups, sidebar ads, and most standard display formats. With Acceptable Ads disabled and EasyPrivacy enabled, it achieved a 100/100 score on AdBlock Tester in April 2026.
SourceAdBlock Plus: What browsers does Adblock Plus support?
Adblock Plus is available for Chrome, Edge, Firefox, Opera, Safari, and Yandex Browser.
SourceAdBlock Plus: Is there a premium version of Adblock Plus?
Yes. Adblock Plus Premium costs $40 annually or $4 per month and allows users to block cookie consent pop-ups, while the free version includes core ad blocking.
SourceAdBlock Plus: What is Acceptable Ads?
Acceptable Ads is an opt-in setting that allows advertising Adblock Plus deems unobtrusive to display on websites; it is disabled by default but can be toggled in Settings.