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Maxthon vs QQ Browser: catalog facts
Maxthon	QQ Browser
Free Free to download and use. The software is closed source.	Free Free to download from Tencent's site.
Windows, macOS	Windows, macOS
It carries its own notes tool, password manager and multi-model AI chat inside the browser, plus sync across…	AI summaries of pages, documents and videos Split-screen browsing and topic-based tab grouping
The browser is closed source, its owner is based in China, and past versions had a poor record…	Interface and site are in Chinese Proprietary, with AI features tied to Tencent services
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.