Popup Blocker (strict) prevents popup windows in a browser extension and includes a history feature.
uBlock Origin (uBO) vs Userscript
How do uBlock Origin (uBO) and Userscript compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | uBlock Origin (uBO) | Userscript |
|---|---|---|
| What it is | uBlock Origin is a content blocker for Chromium and Firefox browsers, described by its project as efficient, fast, and lean. | AdGuard's Popup Blocker is a userscript that blocks unwanted pop-up and pop-under windows in browsers that support a userscript manager. |
| Website | ||
| Type | Open-source project | Open-source project |
| Topic | ||
| Pricing | Not confirmed | Not confirmed |
| Platforms | Not recorded | Windows |
| Open source | Yes | Yes |
| Language | English | English |
| Alternatives |
Other options to consider
Sites similar to both uBlock Origin (uBO) and Userscript.
SB.js brings SponsorBlock to a bookmarklet or userscript for restrictive environments, with loader and standalone usage options.
The Locale Switcher extension for Chrome and Firefox changes browser language settings and Accept-Language headers, with per-tab controls.
Subscribe to a uBlock Origin list that blocks websites identified by its maintainer as AI-generated content farms.
The arkenfox user.js wiki discusses browser extensions and recommends keeping them to a minimum because they have privileged browser access.
uBlock Origin Lite is the Manifest V3 version of the uBlock Origin project, with browser installation links listed on its project page.







