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Tessil

Tessil

Jun 2, 2026 Security & Privacy
browser encryption data privacy end_to_end_encryption file transfer

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Tessil

About

After Firefox Send shut down a few years back I never found a replacement I actually liked, mostly used WeTransfer in that time but now with the growing political devide between the EU and US I wanted to put datasafety on 1. It's called Tessil. You drop a file, it gets encrypted in your browser, and you get a share link. The decryption key sits in the link's # fragment, which browsers never send to the server, so all that reaches me is ciphertext I can't read. The recipient's bro...

Comments (7)

Marge Gottlieb Marge Gottlieb 1 week ago

another send clone that'll vanish when hosting costs get real

Owen Collier Owen Collier 1 week ago

pricing model? that eu market gap won't stay open long

Lisette Fahey Lisette Fahey 6 days ago

self-hosted? otherwise the sovereignty angle is just marketing

Shaniya Rippin Shaniya Rippin 6 days ago

client-side encryption like send had? what's the storage backend

Vivienne Gulgowski Vivienne Gulgowski 6 days ago

whats the encryption approach, client-side before upload?

Katelyn Waelchi Katelyn Waelchi 5 days ago

been wanting a firefox send replacement for ages, glad this exists

Iliana Williamson Iliana Williamson 5 days ago

Does it support end-to-end encryption like Firefox Send did?