Apps with 'Opera extension' feature

Open-source password manager with AES-256 encryption and device sync. Store and access encrypted logins across platforms like iOS and Android.

Adblock Plus is a free extension that allows you to - among other things - block annoying ads, disable tracking and block domains known to spread malware.

Privacy Badger is a browser-add on tool that analyzes sites to detect and disallow content that tracks you in an objectionable, non-consensual manner. When you visit websites, your copy of Privacy Badger keeps note of the "third party" domains that embed images...

DownThemAll (or just dTa) is a powerful yet easy-to-use browser extension for Firefox, Chrome and Opera that adds new advanced download capabilities to your browser. DownThemAll lets you download all the links or images contained in a webpage and much more: you can refine your...

Windscribe is a desktop application and browser extension that work together to block ads and trackers, restore access to blocked content and help you safeguard your privacy online.

Block ads, cookies, popups & other trackers. Ghostery sets you up for a private, transparent, and fast internet.

Protects you against tracking through "free", centralized, content delivery. It prevents a lot of requests from reaching networks like Google Hosted Libraries, and serves local files to keep sites from breaking. Complements regular content blockers.

Violentmonkey provides userscript support for Chrome, Opera, Maxthon and Firefox supporting most scripts for Greasemonkey and Tampermonkey.

Extension for Chrome and Firefox downloading both audio and video from many websites. Detects downloadable content and offers a user-friendly menu.

Redesign the web with Stylus, a user styles manager.

Point & click to forbid/allow any class of requests made by your browser. Use it to block scripts, iframes, ads, facebook, etc.

PDF Viewer (aka pdf.js) is a new revolutionary extension using web standard technologies that allows you to display within Mozilla Firefox almost all PDF files found on the web without a plugin.

Blocks intrusive ads, boosts browser speed, and prevents tracking across all major browsers; supports customizable filters, Acceptable Ads, and over 30 languages.

Tired of spam filling your inbox? This tool offers a quick solution by generating temporary, disposable email addresses (temp mail). Just copy your assigned address or create a new one, and you'll immediately start receiving emails in your disposable inbox that is shown...

Flexible writing and note-taking tool with markdown, plain text storage, cross-note links, hashtags, powerful search, Focus Mode, iCloud sync, and export options.

Disconnect was founded in 2011 by former Google engineers and a consumer- and privacy-rights attorney. We develop award-winning, user-friendly privacy and security software in San Francisco, California.

Enhancer for YouTube is a very lightweight extension that is highly customisable, easy to use, and that will greatly improve your YouTube experience!

Collect any article you want to read later, image that inspired you or video you want to watch later. Save anything, never lose it and view it without ever leaving GGather. Organize your bookmarks with tags and notes. And GGather tags are special.

Reddit Enhancement Suite is a community-driven unofficial browser extension for Reddit.

Iridium (former YouTube Plus) is an extension built to improve the user experience on the new YouTube Material layout. As of January of 2019, the development is discontinued. Firefox and Chrome Versions are out of date and you must manually sideload the addon.

Adds hover zoom for image enlargement, a customizable viewer, rule-based image detection, and a gallery to organize, bookmark, and manage images.

Youtube Video and Audio Downloader is an open-source project, downloading Youtube videos (using Firefox download manager) in all available formats (FLV, MP4, WebM, and 3GP) with video quality of your choice.

With a single click on the lamp button, the page will fade to dark. And automatically focus on the video. By clicking on it again, the page will return to normal. It works for all known video sites such as YouTube, Vimeo, Dailymotion, YouKu, etc.

An open source Adobe Flash Player implementation, designed from the ground up to be efficient on current and (hopefully) future hardware.

Easily download videos from YouTube in up to 8K resolution, convert to MP3, download subtitles, and more. Supports various formats with full quality.