Re-implements Google™ image search feature to filter images by megapixels.
A useful Toolbox! Multi-engines Reverse Image Search + Extract images + Screenshot & Search + HTML5 Video Control + Auto Refresh
Add the Astrology Craft & Custom Web Search extension & click the icon on the toolbar to view free horoscopes & access Yahoo!® search.
Experience a quick and convenient way to track your packages online from your address bar.
A WebExtension that redirects the mobile Wikipedia website to the standard, canonical domain.
This extension will redirect the first request, and then set a "stopMobileRedirect" cookie to prevent future redirects.
Instantly upload pictures from your clipboard!
Adds new features and builds fare purchase links for ITA Matrix
Navigate up one or more URL levels, using the toolbar button, context menu or keyboard shortcut.
Summarize your articles online in 1 clic
Look up any word you want while browsing the Internet. Double-click the word to get its definition, pronunciation, and usage examples in a text box appearing on the same page.
Easy access to Google Scholar right from Firefox's toolbar.
This can be used only in Japan.
Foxy SEO Tool offers tools for search engine optimization (SEO), web traffic and page analysis for webmasters and web professionals.
Prohibit click-tracking, and prevent url redirection when clicks on the result links in Google search page
Plain Text or Regular Expression Find and Replace Text on Web Pages
A two-panel bookmarks manager which is similar to the well-known Total Commander.
Select word, right click: look up definition/translate on Wiktionary Dictionary.
A simple WebExtension that provides a context menu entry to look up selected word on the English Wiktionary.
Opens results in a new tab next to the current one.
**It is not needed now**. Provide a workaround to add search engines from Mycroft Project after Firefox 65.
An easy way to act a context searching with one-time selected search provider. Context Search should be Simple. This extension use your searching list configured in browser, which means it could be used just out-of-box.
Explore authorship and revision information visually and directly in Wikipedia articles. Powered by WikiWho.
Look up Cambridge Advanced Learner's Dictionary for the selected text
Blocks "Honest respondent" for testportal.pl / testportal.net
set search provider to Yahoo!
Brings back the 'View Image' and 'Search by Image' options in google image search results, as well as adding copy and download options.
For those who are looking for and want to find!
Find the most relevant information from the Web with a single request to different search engines and get the results on a single page
Add-on for legal last second bidding of eBay auctions. bidbag users save at least 30% of the purchase over regular bidders when shopping in eBay. Create your account now under https://www.bidbag.us for USA or https://www.bidbag.co.uk for UK...
Add GitHub to your search engine
Who is Hosting This Website is a free Add-on service for telling you- where websites are being hosted. "Who is Hosting this Website?" will also determine and display the IP address, DNS records and domain name ownership information (Whois Records).
Adds a search engine that searches reddit.com
Search engine for searx.thegpm.org.