setting default search engine by this URL
https://www.ecosia.org/search?q=%s
Or using the extension.
DuckDuckGo Privacy Essentials
https://chrome.google.com/webstore/detail/duckduckgo-privacy-essent/bkdgflcldnnnapblkhphbgpggdiikppg
alternatived Avast! Online Security + script-blocker
with less setting.
userscript manager
Within this :
https://github.com/jae-jae/Userscript-Plus
"when you browse the web, from the bottom right corner automatically for you to recommend the current page"
or just install from the chrome web store :
https://chrome.google.com/webstore/detail/userscript%2B-for-tampermon/okiocdganiomklllkfkmhneoibegifch/related
use +/- to ctrl html5 video speed
https://chrome.google.com/webstore/detail/video-speed-controller/nffaoalbilbmmfgbnbgppjihopabppdk
Only Chrome OS preinstall on Chromebook / Google Pixelbook /... can access Google Play Store. You can use Android-x86 in CloudReady's Chrome OS by VirtualBox. Not all APKs can run normally on x86 platform (like Intel 7th CPU for PC or tablet).
Build Chrome OS with this.
It can make old laptops work in this era.
You need two disk drives to set Win/Chrome OS in the same PC.
Build Windows first because they don't care about the compatibility.
Then use CloudReady's LiveUSB to install Chrome OS.
Or just using LiveUSB. In this way, you'll save a lot of time.
Because of the adjustment of partitions is relatively complex. (If you want.)
In my experience, you need USB 3.0 to reduce the chance of failure to boot.
Otherwise, you may have to reboot many times.
Sometimes, you can do more on CloudReady's Chrome OS.
Because Google only release stable functions on their products.
Tabs limiter with queue
prevents a lot of new loading tabs to slow down your PC in a short time.
https://chrome.google.com/webstore/detail/tabs-limiter-with-queue/kaamkonbephafcojgajnbgbdgbgbboap
[Edited by XarBuXar, October 24]
JsCIN: JavaScript based Chinese Input Methods
Doing well in Chrome OS
https://chrome.google.com/webstore/detail/jscin-javascript-based-ch/cdkhibgadomdghgnknpmgegpjjmfecfk
Open-as-Popup
"A popup window is a window without the navigation and the tab bar, so it will use much less vertical space."
https://chrome.google.com/webstore/detail/open-as-popup/ncppfjladdkdaemaghochfikpmghbcpc
Graphite
Good theme when switching to dark mode in system-level.
https://chrome.google.com/webstore/detail/graphite/aaafeifehedpahbjpghnoampnedigdkm
AwesomeDrive for Google Drive
"brings Microsoft Office to your Google Drive"
https://chrome.google.com/webstore/detail/awesomedrive-for-google-d/aaebjepcfidgkojljbgoilgkgklehldj
Yawas - Web and PDF Highlighter
"Highlight web pages and PDF files. Stored online in Google Bookmarks and recreated automatically when you revisit a page"
https://chrome.google.com/webstore/detail/yawas-web-and-pdf-highlig/kjlghdmljfgngjdpeaiogebkiilpiimk/related