Plugins Chrome
Chrome Plugins = Extensions
Ad Blocker
AdBlock: The most popular [68M users, 287K ratings]
Adblock Plus: Not to be confused with AdBlock (above) [46M users, 180K ratings]
Others: Adblocker Ultimate & Adblock Stands [1M users each]
New: AdBlock for YouTube [1M users, 876K ratings]
Screenshots
GoFullPage [7M users, 71K ratings]
Awesome Screen Reorder & Screenshot: aka Awesome Screenshot Minus [3M users, 27K ratings]
FireShot – Take Webpage Screenshots Entirely [3M users, 39K ratings]
Screenshot Tool – Screen Capture & Editor [0.9M users, 2K ratings]
Scrnli – Screen Recorder & Screen Capture App [1M users, 9K ratings]
Nimbus Screenshot & Screen VIdeo Recorder [1M users, 17K ratings]
Chrome Capture [0.2M users, 1K ratings]
Proxy
Proxy SwitchyOmega [2M users, 4K ratings]
Proxy SwitchySharp [0.5M users, 6K ratings]
GeoProxy: Not great [0.1M users, 1K ratings]
HTML & Developer Tools
JSON Formatter [2M users, 2K ratings]
Get Favicon: Very niche, just 9K users and a handful of (positive) reviews.
XHR JSON Panel: Extremely niche, just 3K users and a handful of (mostly positive) reviews.
Requestly: Open Source HTTPs Debugging Proxy [2M users, 1K ratings]
User-Agent Switcher [2M users, 1K ratings]
WhatRuns [0.4M users, <1K ratings]
Tampermonkey [11M users, 71K ratings]
Speedtest by Ookla [2M users, 3K ratings]
Tamper Chrome: See Tamper Dev instead (also few users & ratings)
Microsoft & Office
Google Docs Offline: Might be pre-installed.
Windows Accounts: Perhaps the most hated extension [30M users, 1K ratings]
Bookmarks & Tab Management
Bookmark Sidebar [0.3M users, 2K ratings]
OneTab [2M users, 14K ratings]
Privacy & Cookies
Disconnect [0.5M users, 3K ratings]
Ghostery [2M users, 13K ratings]
Avira Browser Safety [6M users, 3K ratings]
EditThisCookie [2M users, 11K ratings]
Reader
PrintFriendly - Print and PDF Web Pages [1M users, 2K ratings]
Postlight Reader [0.9M users, 2K ratings]
Just Read [0.2M users, 1K ratings]
Google Keep [7M users, 8K ratings]
Experimental
Table Capture [0.1M users, 0.5K ratings]
Auto Refresh Plus | Page Monitor [0.9M users, 11K ratings]
Auto Scroll Search - Scroll Infinite Pages: Not used widely
Unpaywall [0.7M users, <1K ratings]
Translation
Google Translate [34M users, 42K ratings]
DeepL Translate [3M users, 6K ratings]
Annoyances
Behind The Overlay: To remove popups and nag screens [0.1M users, <1K ratings]
SuperCopy – Enable Copy: Better than Right To Copy [0.5M users, <1K ratings]
Chrome Apps
The idea of Apps in Chrome never caught on, but there were some good ones like:
Gliffy Diagrams
Note: All user counts and ratings as of November 2023