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Data refreshed 11/5/2026
ODT, ODP, ODS Viewer
🧩 More extensionsThis viewer lets you view Open Document Format files without leaving your browser. View odt, odp, ods, doc, xls, ppt.. and more.
Offline Dictionary
🧩 More extensionsAn offline dictionary based on Wiktionary.
Off Road 4x4 Jeep Simulator Game
🎬 Video & MediaBecome a great 4x4 car driver in a big town in this offroad car game.
Ogame Infinity
🧩 More extensionsOGI - To Ogame's infinity and beyond!
oii
🧩 More extensionsAdds ii (improvement indicator) metric to user profiles on the osu! website
OMNITRACKER Web Gateway Agent
⚡ ProductivityManages Web Gateway browser tabs if object is opened in existing session.
Onegai My Melody Browser Theme
🧩 More extensionsGoogle chrome theme with Onegai My Melody background image. The theme is presented in purple colors. The size is 1920x1080.
OneKey: Secure Crypto Wallet
⚡ ProductivityAnti-scam crypto wallet for every chain. Supports major blockchains like Bitcoin, Ethereum, Solana, Tron and more.
One Piece Cursor
🧩 More extensionsOne Piece custom cursor for chrome. New browser experience with One Piece anime cursor. Created for One Piece fans.
OneScholar
⚡ Productivity【OneScholar】超级好用的学术科研插件，全方位提高科研工作者的科研效率，支持显示详细文章信息、期刊等级信息、大学分类排名信息、网页翻译、文章引用等功能（原 SciHub Addon）
Online Dictionary Helper
🧩 More extensionsA translation popup tool to show online dictionary content (with anki support)
Online Download Manager
🧩 More extensionsEasily manage and accelerate your downloads up to 5 times!
Online Notepad
🧩 More extensionsEdit your text file quickly from Google Drive or local computer.
Online PDF Converter
🧩 More extensionsConverter tool that supports PDF, Word, Excel, PPT, JPG. Convert PDF to different formats and vice versa in one click.
Online Radio
🧩 More extensionsApp for listening online radio
Online Weather Forecast
🧩 More extensionsOnline Weather Forecast replaces your new tab with Online Weather Forecast with sponsored web search.
OpenClaw
🧑💻 Developer ToolsSecurely relay eligible signed-in Chrome tabs to the local OpenClaw browser automation service.
OpenClaw Copilot
🧩 More extensionsOpenClaw (MoltBot & ClawdBot) in your browser: Chat directly in the side panel, no need to switch IM apps.
Open In Firefox
⚡ ProductivityOpen current tabs, links, pages (or all of them) in firefox
Open in IE
🧩 More extensionsSend HTML links and webpages directly to the Internet Explorer browser without copy and paste!
Open in MS Edge
⚡ ProductivitySend the current page's link or all open tabs to the Microsoft Edge browser, or set optional rules for opening with a left-click.
Open in Opera Browser
🧩 More extensionsAutomatically send links to the Opera browser from left or right-click without cluttering your Clipboard.
Open in PDF Reader
🧩 More extensionsEasily open desired links in PDF Reader
Open in Sci-Hub
🧩 More extensionsQuickly opens link or page in Sci-Hub