WeTransfer uploads your file to its servers, gives you a link, and holds a copy until it expires. Cynth sends the file straight to the recipient's device — no upload, no server-side copy, no size cap, no link to expire. Here's the honest comparison, including where WeTransfer is still the better choice.
| Cynth | WeTransfer | |
|---|---|---|
| Where files live | On your devices only | Uploaded to their servers |
| Size limit | None | 2 GB free · capped on paid |
| Link expiry | No link — direct delivery | Files expire and are deleted |
| Encryption | End-to-end, every transfer | In transit / at rest on their servers |
| Recipient needs an app | Yes (native app) | No — opens in a browser |
| Send to your own devices | Free forever | Not the use case |
| Resume after a drop | Automatic | Re-upload |
| Platforms | Win · macOS · iOS · Android · Linux | Web · mobile apps |
You're sending a one-off file to someone who won't install anything — a client, a stranger, a quick public link. Browser-based, no setup, no account for the recipient. That frictionless anonymous hand-off is what it's built for, and it needs to hold a copy on its servers to do it.
You send large or sensitive files regularly, move data between your own machines, or don't want a copy of your files sitting on a company's server behind a link. No size ceiling, nothing to expire, and the transfer is end-to-end encrypted between devices — the relay, if one is even needed, only ever forwards ciphertext.
Cynth is in active development. Join the list and you'll get one email when it's ready for your platform.
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