TransferNow
Replaceable in one session with an AI coding agent.
Sends large files by link: upload, share a URL, and the recipient downloads without an account, with the file expiring after a set time.
Build large-file sharing on your own storage. STACK - S3-compatible storage, one endpoint, a small upload page UPLOADING - Presigned multipart uploads straight to storage; the file never touches your server - Resumable, or a 2GB upload will fail at 90% and the sender will give up THE LINK - A random token, an expiry, an optional passphrase hash and a download cap - Download issues a presigned URL valid for minutes; the storage key is never exposed EXPIRY, WHICH IS THE WHOLE ECONOMICS - A lifecycle rule on the bucket that actually deletes - Without it, storage grows forever and this becomes expensive ENCRYPTION - Optional in-browser encryption before upload, with the key in the URL fragment so it never reaches your server Include the multipart upload, the token flow and the lifecycle rule.
What you lose
- Bandwidth for multi-gigabyte transfers, which is the actual cost
- Resumable uploads that survive a dropped connection
- A page recipients already trust
If you would rather not build
- Presigned S3 URLs, which need no application at all
The escape hatch
open source · no votes, no paid placement
PicoShare
$0A tiny self-hosted file share with no size limits or expiry surprises.
mtlynch/picosharefree · open source
Why this verdict
our own opinion · changed only by a person
90/100
Verdict yes at 90. Presigned multipart uploads and a lifecycle rule. The key-in-the-fragment trick gives real end-to-end encryption for nothing.
History
tracked since 10 Aug 2026 · nothing is ever overwritten
Nothing recorded yet. This chart fills in once the page has visitors, votes or prompt copies — it will not draw a flat line to look busy.
Questions about TransferNow
answered from the record above
Is TransferNow free?
No — the plan we track is $15 a month. From around $15/month billed monthly for larger transfers and storage.
Can you replace TransferNow by building your own?
YES. Replaceable in one session with an AI coding agent. Replacement score 90 out of 100, build time one session. Read what you lose before you decide.
How much does TransferNow cost?
$15 a month on Pro — $180 a year. Recorded 10 Aug 2026.
What do you lose by replacing TransferNow?
Bandwidth for multi-gigabyte transfers, which is the actual cost; Resumable uploads that survive a dropped connection; A page recipients already trust. If any of those carry weight for you, keep paying.
Is there an open-source alternative to TransferNow?
Yes: Send, PicoShare. The prompt on this page is for when you want it your way instead.
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