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WeTransfer vs PsiTransfer: catalog facts
WeTransfer	PsiTransfer
Free Free to send files without an account.	Free Free and open source to host yourself.
Web	Web, Self-hosted
Sends large files without needing an account Recipients only need a browser to download	No accounts or logins Resumable uploads and expiring links
Files pass through a third-party server The site relies on scripts that some firewalls and browser setups block	Requires your own server to run Deliberately simple, with no user management
Web application, Hosted service	Self-hosted
Closed source	Open source
License not stated	License not stated
No account needed	No account needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

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