One-Off Transfers: WeTransfer and the Alternatives

Email was never designed to move large files. Most providers cap attachments somewhere around 25 MB, which is enough for a few documents but falls apart the moment you try to send a folder of photos, a video, a design package, or a software build. The result is a familiar frustration: the send fails, you get a bounce, or the recipient's inbox quietly chokes. One-off transfer services exist specifically to fix this, and the ecosystem in 2026 is genuinely good.

01 How one-off transfers work

The core idea is simple: you upload a file (or a folder) to a temporary server, and the service gives you a link to share. The recipient clicks it and downloads directly — no shared account, no app install required on their end. The file lives on the service's servers for a set window, then disappears. That's it.

The key variables between services are: maximum file size, how long the link stays live, whether transfers are encrypted end-to-end, and whether you need an account to send.

02 WeTransfer: the obvious starting point

WeTransfer is the name most people already know, and it earns that reputation. The free tier lets you send up to 2 GB per transfer with no account required — paste in the recipient's email address or copy a link, upload, done. Files are hosted for a week before deletion.

The paid tier (WeTransfer Pro) raises the ceiling to 200 GB per transfer, extends storage to a year, and adds password protection and custom branding. It's genuinely useful for creative professionals sending large video or audio projects.

The trade-off: WeTransfer is not end-to-end encrypted. The company can technically access what you send. For most everyday transfers — photos, presentations, edited video — that's probably fine. For anything sensitive, look elsewhere.

03 The alternatives worth knowing

Send Anywhere takes a different angle, offering a six-digit key system for direct device-to-device transfers. When sender and recipient are online simultaneously, files move peer-to-peer and never touch a central server in readable form. The free tier is generous, and the apps cover every major platform. It's fast, low-friction, and better suited to situations where both parties are at their devices at the same time.

Proton Drive now includes one-off sharing with link expiry and zero-knowledge encryption — meaning Proton itself cannot read what you upload. Free storage is modest, but if you already use Proton Mail, the integration is seamless and the privacy posture is the strongest in this category.

Smash is a lesser-known option with no file-size limit on its free tier (transfers are just throttled below a paid threshold). Links expire after seven days free, or longer on paid plans. Worth bookmarking for very large one-offs — a multi-gigabyte video archive, say — when you don't want to pay.

Wormhole.app encrypts files end-to-end in the browser before they leave your device. The recipient needs to start downloading while you're online for the peer-to-peer path; if they miss the window, the file is hosted encrypted for 24 hours. No account needed, nothing stored in readable form on any server. One of the cleanest privacy stories in this space.

MEGA provides a generous free tier with end-to-end encryption by default. Share links can be password-protected and given an expiry date. It's more of a cloud storage service than a pure transfer tool, but for one-off large sends with privacy requirements, it competes well.

04 Choosing the right tool

The right service comes down to three questions: How big is the file? Does it need to stay private? Does the recipient need the link to last more than a day or two?

For everyday large-file sends — final edits, photo batches, audio files — WeTransfer's free tier is fast and frictionless and hard to beat. For anything sensitive — contracts, medical documents, personal archives — lean toward Wormhole or Proton Drive, where end-to-end or zero-knowledge encryption means even the service can't see your content. For very large files (multi-gigabyte) without paying, Smash is the outlier worth knowing. And if both parties are online at the same moment, Send Anywhere's peer-to-peer path is as clean as it gets.

One thing all of these share: none of them require the recipient to have an account. That alone makes them more useful than any email attachment, for files of almost any size.

Named in this guide