Send large files to someone without uploading them anywhere
You have a 40 GB project folder. You need to get it to a colleague. The usual approach: upload it to Google Drive, Dropbox, or WeTransfer. Wait for the upload. Send the link. They download it. Wait again.
For a 40 GB folder on a 500 Mbps connection, the upload takes about 10 minutes. Then the download takes the same on their end. That is 20 minutes of waiting, plus the files sitting on someone else's server the whole time. WeTransfer caps at 2 GB on the free tier, so you cannot even send it there.
With KEIBIDROP, the file goes directly from your machine to theirs. No upload. No server stores it. No account on either side.
How it works
Both people install KEIBIDROP. Each gets a code. You exchange codes once, and the other person goes into your address book as a saved contact. Next time, you connect from the contact list with one click. If you prefer not to save contacts, use incognito mode: exchange fresh codes each time, no trace left on either device.
Once connected, you drag a file in or click Add. The file transfers directly between the two machines over an encrypted channel.
Copying 40 to 500 GB over a local 4 Gbps link still takes 80 seconds to 17 minutes. With KEIBIDROP in virtual folder mode, you do not wait at all. The folder appears within the first second. You open any file and it streams on demand as you use it. The full copy never needs to finish before you start working.
Over the internet, the speed depends on both connections. If either device is behind a restrictive firewall, a relay forwards the data. The relay handles encrypted bytes and cannot read the contents.
No file size limit
Cloud services impose limits. WeTransfer caps at 2 GB on the free tier. Email attachments cap at 25 MB. Even paid cloud storage has upload timeouts on very large files.
KEIBIDROP has no file size limit and no file count limit. Send one 200 GB file or a folder with 10,000 small files. Entire folder structures transfer with their hierarchy intact. If the connection drops mid-transfer, it picks up from where it stopped when you reconnect. Nothing starts over.
No account
You do not create a username. You do not enter an email address. There is no password to remember. KEIBIDROP generates a cryptographic identity on your device. That identity is used for the encrypted connection. Nothing is stored on any server.
Encryption
The connection is encrypted directly between your two devices. Nobody in between can read the files. Not us, not your internet provider, not anyone on the same Wi-Fi. The encryption is designed to withstand both current and future threats, including quantum computers. Your files are protected today and stay protected tomorrow.
Where to get it
KEIBIDROP runs on macOS, Windows, Linux, Android, and iOS. The core engine is open source under MPL-2.0.