Chrome //
Extensions 
Chrome
Web store 
Ecosia - The search engine that plants trees
This extension sets your search engine to Ecosia and customizes your new tab page so you can plant trees with every search.
Startpage — Private Search Engine
Take back your online privacy by using Startpage as your default search engine.
Address bar search engine switcher
Change your address bar search engine in one click. Supports adding custom searches
Search Set - change default search engine
Change default search engine to make Google, Yahoo, Ask.com or Bing your search in Chrome browser adress bar (omnibox)
Qwant - The search engine
The search engine that doesn't know anything about you, and that changes everything.
Custom Search Engine
To use, type 'ms' plus 'key'word for custom search engines & search term into the url bar. (e.g. ms google ).
Metasearch engine - upgrade Google search
Instantly get search results in DuckDuckGo, Bing and Yahoo or any other search engine while searching in Google
Safe Search Engine
Safe Search Engine for kids, students and society. We show safe search results only.
All Search Engine AI Chatbots, Videos, Images
Search all search engines free AI chatbots apps, videos, photos, social media, news, radio, pdf books, images, shopping sites one.
Ultimate Search Engine
utop.it - an ultimate web search tool provides search results from major web engines such as Google, Yahoo! and Bing by one click
Highlight or Hide Search Engine Results
Filter search engine results. Block unwanted results and highlight the favorite ones. For Google and other popular search engines.
GOOD – The search engine for a better world
Search with GOOD and support solutions that positively change the world!
4chan Search Engine
A search engine allowing you to comb through the 4chan.org boards and filter out the results you are not interested in