Adds at-a-glance information to the top of Amazon book listings to reduce scrolling. Shows if the book was self published, rank, rating, reviews, age in weeks, review/age ratio, page/word count, and can be expanded to show rank in all categories.

Redirects YouTube videos to 613Tube for a cleaner experience.

This extension allows users to search for keywords in videos, and view all timestamps that it appears if captions are available.

A menu option to search selected text on YouDao Dic. by yun.

Select and copy table as rich text, HTML, tab-delimited and CSV.

Save time watching Youtube videos by filtering their subtitles and skipping uninteresting parts.

Search for the selected kanji or vocabulary on WaniKani.com.

Select a NASA or NASA-related acronym to expand it.

This extension allows you to save multiple words and highlight when the web page loads without letting the user manually enter again and again.

Adds a menu item to your right-click menu that simulates pressing Enter/Return.

Save keywords floating over your head, for a later browsing collection.
Keep keywords for later and browse them when you have time to.
If you don't have enough time to check about something, memorize it in the box for a later review.

Multi-engine search with respect for privacy

Remove the sponsored listings on google searches!

Right click the extension and allow the extension to always run on google.com after installing.

Find single citations using the context menu.

Smart tag

Redirect outdated links to The Rust Programming Language book to the right URLs

Search to download and watch your movies.

This plugin can search, drag-n-drop ordering, and (un)hide all or some tabs. A search redirects automatically if the search is found and is a single instance. Search multiple windows by toggling the window icon on the bottom.

Want to know what's going in r/de, r/france and other foreign-language subreddits? Look no further!
This add-on will let you translate selected text or all top-level comments in a Reddit post to English.

Never eat from a dodgy takeaway again.
Display food.gov.uk food hygiene scores in your Just Eat search results.

LinkHubble is a unique and highly functional tool for counting, marking and finding links to the page the user is currently on. Designed for professional use in link audits, it has some unique features not found in similar tools.

Letterboxd extension that provides you torrents for movies.

GitHub overrides the slash key to focus its search box. This extension restores the default Firefox behavior to pop up the Find bar.

Counts how many trees you have planted and how many searches left to plant next tree.

Allows you to use DuckDuckGo !bangs on Google, Yahoo!, Ecosia, and Bing.

Displays a sidebar that lets you display a custom site.

Search results link directly to the source rather than to Bing video player.

Позволяет искать выделенный текст на карте сайта maps.visicom.ua.

Allows quick cycling through predefined search engines (Seznam 🐶, Google, Bing & DuckDuckGo 🦆) results

Collects anonymous data about switching search engines. This behaviour can be turned off.

Adds Startpage.com as a search engine, using the Night theme.