Your own file transfer service

Send files with a link. From your own server.

Drop files on a page, share a long link, and everything disappears after the days you choose. No accounts, no subscription, up to 1 GB.

Watch the video Talk to Floris Knol

For freelancers and small offices that send drawings, photos, quotes and reports to clients.

https://doctunnel.demo.wantzel.com

Sending a big file is still a hassle.

Too big for email, and every other way has a catch.

Rights in OneDrive and SharePoint

Sharing with someone outside your organisation means accounts, rights and settings, for one download.

Your files on someone else's service

A free transfer site is quick, but you do not know where your client's files end up, or for how long.

Slow, or a subscription

Large files crawl through, or the real limits sit behind a monthly fee.

How it works

One program on your own server. That is all.

1

Drop the files

Drag one or more files onto the page. Choose how many days to keep them, and a password if you want one.

2

Share the link

You get a long, unguessable link for your client, and your own admin link to see the downloads.

3

Gone by itself

After the days you chose, everything is removed. With the admin link you can remove it earlier.

Up to a gigabyte, in seconds.

Files go straight to disk and straight back out, so a big file does not fill the server's memory.

  • 1 GB up in under two seconds, and back in about one, measured through its real address.
  • 100 MB in a fifth of a second.
  • The server stays under three megabytes of memory while it moves a full gigabyte.
https://doctunnel.demo.wantzel.com

Safe, in plain words.

What your client and you can count on.

  • The link is 24 random characters: impossible to guess, and without it you see nothing.
  • A password is never stored in readable form, only a derived value with its own salt.
  • Five wrong attempts in an hour, and that upload is locked.
  • The page loads nothing from outside: no trackers, no external fonts.
  • After the chosen days everything is gone.
8 min 52 sto build, by an AI agent
€2.24of AI use for the build
97automated checks, all green
660 KBthe whole program

DocTunnel was conceived and written by autonomous AI agents, from an empty folder. The video shows the real build.

See how it was made.

The video shows DocTunnel in the browser, the real build by an AI agent with its tests and errors, and what it means for working with AI agents.

Watch on YouTube
DocTunnel: your own file transfer service, built by an AI agent

Want this for your own office?

Talk it through with Floris Knol during an Expert Day, on location.

Plan an Expert Day