WeTransfer Alternative: When to Choose a Real-Time Relay Instead
A clear, honest comparison between WeTransfer-style upload services and real-time relay tools like File Tunnel.
WeTransfer is the default answer when someone asks "how do I send a big file?" — and most of the time it's a perfectly good answer. It's fast, it has a clean interface, and it's been operating long enough to be trusted by people who don't want to think about infrastructure. But it isn't the only model, and for some workflows it's genuinely the wrong shape. This article lays out when a different tool — specifically a real-time relay — gives you a better outcome.
The two underlying models
WeTransfer-style services follow a store-and-forwardpattern: the sender uploads the entire file, the service holds it on disk, then the receiver downloads it on their own schedule. The transfer is asynchronous, which is its biggest strength and biggest weakness.
A real-time relay like File Tunnel forwards bytes from sender to receiver as they arrive, without writing them to disk. The transfer is synchronous: both parties are connected at the same time, and the file exists only in flight.
When WeTransfer is the right tool
- The recipient is asleep, on a plane, or in a different timezone. Asynchronous handoff is the whole point.
- You want to share one link with many casual downloaders. Newsletters, mailing lists, occasional collaborators.
- The sender wants to upload now and walk away.Real-time relay needs the sender to stay connected.
- The file is small enough that the size cap doesn't bite(2 GB on the free tier, more on paid).
When a real-time relay is the better fit
- You and the recipient are coordinating live. On a call, in a meeting, helping a customer in real time — async upload just adds a wait.
- The file is bigger than the free tier of any of the obvious services. A 20 GB raw video file, a folder of RAW photos, a database dump.
- You'd rather not have the file sitting on someone else's disk for days. Privacy isn't binary; reducing the storage window from "a week" to "in flight only" is a meaningful improvement.
- You want to broadcast to multiple receivers at oncewithout each one downloading a duplicate from cloud storage.
- You don't want to create or sign into an account just to send a file.
A clearer side-by-side
| Dimension | WeTransfer-style | Real-time relay |
|---|---|---|
| Recipient must be online | No | Yes |
| File stored on server | Yes, hours-to-weeks | No |
| Free size cap | ~2 GB | ~10 GB |
| Multi-recipient broadcast | Same link, sequential downloads | Single transfer, parallel |
| Account required | Sometimes | No |
| Resume on dropped connection | HTTP range requests | Chunk-level ACK + resume |
| Best feel | Email-style hand-off | Walkie-talkie hand-off |
A note on privacy claims
Marketing pages love the words "end-to-end encrypted." What that means in practice varies. With store-and-forward, the file is usually encrypted at rest on the server, but the service controls the keys — so "encrypted" protects against random data center attackers, not against the service itself or a legal request. With a no-storage relay, there is no "at rest" — bytes only ever exist in memory and on the wire. That's a different threat model, not necessarily a stronger one, but for many real workflows (one-shot handoffs, sensitive but not state-secret content), it's the more comfortable one.
Workflow examples
Designer sending mockups to a client
The client is on a call. Pop open a relay, drop the 200 MB Figma export, share the code in chat. Client opens, downloads, opens the file — total elapsed time under two minutes, no inbox clutter.
Photographer delivering a wedding shoot
Two hundred photos, 8 GB. Couple wants the photos this afternoon. With WeTransfer free, you'd need to split into multiple sends or pay for Pro. With a relay, queue all the files (or the whole folder) into one transfer and walk away once both sides are connected.
Developer pulling a build artifact off a server
SSH plus rsync would normally work, but if the recipient doesn't have shell access, the developer can open File Tunnel from a browser on the server, share a code, and the recipient downloads through HTTPS — zero infrastructure setup.
What about cost?
WeTransfer Pro is around $12/month. For someone who sends a couple of files a month, that's a lot of money for very few transfers. A free real-time relay with a 10 GB cap covers most cases without ever charging, and a one-time license (File Tunnel's upcoming Pro Pass) lets heavy users skip the subscription model entirely.
The honest answer
These tools aren't in competition for every workflow. Use WeTransfer when you want to drop a file and let the recipient grab it later. Use a real-time relay when you're coordinating live, when the file is bigger than the free tier, or when you want zero long-term storage. Most professionals end up keeping both in their toolbox.