Description from extension meta
Displays OS, CPU, memory, and more system information.
Image from store
Description from store
This Chrome extension displays basic system information, including CPU, memory, and battery.
Features:
Shows OS, version & platform.
Shows CPU model, architecture, number of cores, processor usage and temperatures.
Displays system memory capacity and usage.
Displays battery level, staus and time left/to full charge.
Lists available (external) storage units with their capacity and available space.
Lists the displays, languages and plugins.
Updates:
V 1.1: windows only bugs fix (not tested), better packaging (font included)
V 1.2: windows only bugs fix (2nd try), white shadow around icons
Sources : https://github.com/tchoa91/cog-ext
Site (French): https://ext.tchoa.com