KEIBIDROP and WeTransfer

An upload and a download, or one direct transfer.

By Marius-Florin Cristian · 2 September 2026

WeTransfer takes your files onto their servers first and the recipient downloads them from there, so the wait is twice and the files sit on someone else's disk. KEIBIDROP sends directly between the two machines, with no upload step, no size cap, no account and nothing left behind.

Side by side

KEIBIDROPWeTransfer
Upload stepNone, it sends directlyYes, then a download
Files on a third party serverNoYes
Size capNoneYes, by plan
AccountNoneYes, above the free tier
Link that anyone can openNo, a named peerYes
Open a file without receiving the folderYes, it mountsNo
EncryptionEnd to end, X25519 with ML-KEM-1024In transit and at rest on their servers
Source codeOpen, MPL-2.0Closed

No upload step

KEIBIDROP moves the bytes from one machine to the other, so the recipient starts receiving while you are still sending and nothing is copied to a third party in between.

Nothing is left on someone else's disk

There is no copy on a server to expire, to be found by a link, or to be handed over. The files stay on the two machines that took part.

No link that anyone can open

A transfer goes to a peer you already verified by fingerprint, so there is no public URL that works for whoever holds it.

Open one file, not the whole folder

KEIBIDROP can also mount the other machine's folder, and a read pulls only the bytes it touches, so a colourist opens the four takes they need instead of receiving the whole shoot.

Limits

Common questions

Is there a size limit?

No. KeibiDrop has no size cap, and WeTransfer caps by plan.

Do the files sit on a server?

No. They go from one machine to the other, so nothing is stored on a third party disk and nothing expires.

Does the recipient need an account?

No. The two sides exchange an 86 character fingerprint once and connect on it afterwards.

Related

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