Popup Blocker (strict) prevents popup windows in a browser extension and includes a history feature.
Bookmarklet vs Redundant Extensions
How do Bookmarklet and Redundant Extensions compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | Bookmarklet | Redundant Extensions |
|---|---|---|
| What it is | SB.js brings SponsorBlock to a bookmarklet or userscript for restrictive environments, with loader and standalone usage options. | The arkenfox user.js wiki discusses browser extensions and recommends keeping them to a minimum because they have privileged browser access. |
| Website | ||
| Type | Open-source project | Open-source project |
| Topic | ||
| Pricing | Not confirmed | Not confirmed |
| Platforms | Browser extension | Browser extension |
| Open source | Yes | Yes |
| Language | English | English |
| Alternatives |
Other options to consider
Sites similar to both Bookmarklet and Redundant Extensions.
The Locale Switcher extension for Chrome and Firefox changes browser language settings and Accept-Language headers, with per-tab controls.
uBlock Origin is a content blocker for Chromium and Firefox browsers, described by its project as efficient, fast, and lean.
This SponsorBlock wiki page lists third-party ports of the browser extension for other platforms and explains how to report issues.
This article explains ways to filter ads and block popups on iPhone and macOS, including options for Safari and Apple's browser environment.
Behind The Overlay is a Chrome and Firefox extension that closes website overlays with one button.







