The Best PopUpOFF Alternatives in 2026

Consent-O-Matic handles website cookie consent pop-ups according to user preferences.

Consent-O-Matic automatically fills cookie consent pop-ups according to user preferences, as described by its browser extension project.

Allow Right-Click restores a page’s original context menu when website JavaScript blocks the browser menu.

Momentum turns a browser’s new tab page into a focus workspace with goals, timers, site blocking, and soundscapes.

Allow Right Click re-enables context menus, copying, pasting, and text selection on sites that block those actions, through a browser extension.

Block ads and other web content in Firefox with uBlock Origin, an efficient content-blocking extension.

Add subtitles to online videos with Substital, a browser extension designed for that purpose.

Linksort helps users save and organize links, with a browser extension for one-click bookmarking.

AutoPagerize automatically loads successive pages on supported websites through a browser extension.

Darken websites or dim video backgrounds with Turn Off the Lights, an open-source browser extension.

Build a custom new-tab page with Anori, a browser extension offering folders, color schemes, and widgets such as tasks, notes, and weather.

Customize the new-tab page with Mue, an open-source browser extension offering backgrounds, quotes, and widgets.

Block unwanted pop-up windows in Firefox with Popupblocker, which can show a small notification when it stops one.

Amino provides a live CSS editor in a browser extension, letting users customize websites with persistent styles and create themes or skins.

CRX Viewer opens browser extension packages or store pages and provides tools to inspect their images, code, markup, and locales.

Caffeine keeps the operating system from sleeping or hibernating while the browser extension is active.

MONKNOW combines favorite sites, search, weather, to-dos, and wallpapers in a customizable new-tab browser extension.

Stylus restyles websites through a browser extension forked from Stylish; its description says the fork removed analytics from the earlier codebase.

Complexity is a browser extension that adds model selection and other controls to Perplexity.ai.

WebExtension.org provides hosting and services for browser extension developers and is migrating from add0n.com.

Discover and share userscripts through ScriptCat, which pairs its script site with an extension compatible with Tampermonkey scripts.

Color Temperature adjusts screen color to match the surrounding environment, according to the extension listing.

Skip sponsored segments, opening animations, and prompts in Bilibili videos with this browser extension.

Custom Dark Mode applies customized dark styles to webpages through a browser add-on.