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2345 Browser vs Sogou Browser: catalog facts
2345 Browser	Sogou Browser
Free Free to download.	Free Free to download from the official site.
Windows	Windows
Chromium and IE dual engine for old enterprise sites Supports Chrome extensions, including offline CRX installs	Vertical tab workbench that can switch back to horizontal tabs Tab grouping, split screen and floating video window
Interface and website are Chinese-only Bundles extras such as a game portal	Interface and website are in Chinese only Windows only
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
No account 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 October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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