DuckDuckGo Privacy Essentials
個人情報保護をシンプルに。当社は、インターネット利用のあらゆるシーンで個人情報をシームレスに管理するための基本的な保護対策をご提供しています。トラッカーのブロック、よりスマートな暗号化、DuckDuckGoプライベート検索などが可能です。
1,584,715 人のユーザー
Search by Image
A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.
283,366 人のユーザー
TinEye Reverse Image Search
Click on any image on the web to search for it on TinEye. Recommended by Firefox! Discover where an image came from, see how it is being used, check if modified versions exist or locate high resolution versions. Made with love by the TinEye team.
60,587 人のユーザー
Image Search Options
A customizable reverse image search tool that conveniently presents a variety of top image search engines.
44,525 人のユーザー
Startpage Privacy Protection
By installing the free Startpage Privacy Protection extension you will be able to stop trackers and cookies and set Startpage as your default search engine.
65,286 人のユーザー
Bulk Media Downloader
Grab and download media (image, audio, and video) resources by monitoring network (like FlashGot or Flash video downloader extensions)
18,086 人のユーザー
Reverse Image Search
Adds an option to the context menu to search with an image on Google, Bing, Yandex, TinEye, SauceNAO, IQDB or custom search engines. You can also choose more than one and they will be shown in a submenu!
14,641 人のユーザー
Search by Image on Google
Right click on an image to search Google for related images or versions in different sizes.
10,776 人のユーザー
Yandex search
Adds Yandex search as a search engine.
7,407 人のユーザー
Instagram Downloader
Help users download images and videos easily on Instagram
6,834 人のユーザー
Search image
Select some text, right-click and choose"Search image" in the menu, a Google Image tab will open with your results.
6,501 人のユーザー
Zoom for Firefox
Zoom in or out on web content using the zoom button and mouse scroll wheel for more comfortable reading. That to each percent value. It helps you to zoom easily in and out a web page. Thanks to the slider and the zoom buttons.
6,149 人のユーザー
Google Reverse Image Search
Google Reverse Image Search is a simple tool that lets you search the images reversely on Google Images and find the other copies of the very image you are looking for on the web.
4,822 人のユーザー
Color by Fardos - Color Picker
Pick colors from websites, save colors & gradients, get matching shades and tints and create beautiful gradients.
4,290 人のユーザー
Context Search
Search selected text using your preferred search engines or AI chatbot. Right-click or Alt-click on selected text to respectively launch the context menu or the icons grid. You can also perform searches using keywords in the url address bar.
4,243 人のユーザー
Google Image Search
Image Search for Google. Right click image and search image copies for Google.
2,334 人のユーザー
NopeCHA: CAPTCHA Solver
Automatically solve reCAPTCHA, hCaptcha, FunCAPTCHA, AWS WAF, and text CAPTCHA using AI.
2,306 人のユーザー
YouTubeダウンローダー2.0
Youtubeやワンクリックでyoutubeプレーヤーを含む他のサイトからビデオ、オーディオ、写真やキャプションをダウンロード!
2,232 人のユーザー
Selectext: Copy Text from Videos
Copy text directly from videos on Youtube and any site
2,147 人のユーザー
Utorrent For Firefox
Send Link to Utorrent For Chrome
1,961 人のユーザー
Add Brave Search
Add Brave Search to Firefox, simply install and change your search engine to Brave Search.
1,814 人のユーザー
Reverse Image Search
a powerful capturing reverse image search tool built on top of TinEye/Google Image engines
1,669 人のユーザー
Roblox Server Finder
A server finder that attempts to find a server with a specified amount of players
1,596 人のユーザー
KDSPY v5
KDPSY v5 is a 'time-saving' research companion that every author – fiction or non-fiction – should have in their toolbox. Research your competitors, potential niche markets, categories, keywords, and title ideas – all while you're browsing Amazon.
1,439 人のユーザー
ContextSearch web-ext
Select text and search from the context menu or a tiled popup using any of your installed search engines. Add new search engines with a right-click, edit favicons and query strings. POST compatible, simple UI, highly configurable. For FF 57+
1,416 人のユーザー