Chrome - Chrome Web Store

NoScript
Install
Notebook Web Clipper
Install
Notion Web Clipper
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Octoshop: Price compare, cashback, alerts
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Octotree - GitHub code tree
Install
Office Editing for Docs, Sheets & Slides
Install
Oliv
Install
One-Click Video Downloader
Install
OneTab
Install
Online PDF Editor (pdf2go.com)
Install
OPFS Explorer
Install
Otto – Pomodoro timer and website blocker
Install