Send it
Drop a file, paste text, or share from another app.
Use it
Open it on the other device. Zas does not compress or re-encode your file.
It deletes itself
Five days with an account. Two days without one.
Start in the browser
Open zas.red and send something. You do not need an account, and you do not need to install anything. This matters on a locked-down work computer. Zas is a web page, so there is nothing to install and nothing to ask IT for.Two ways to send
Zas has two send paths. It picks the one that fits what you are sending.
Read Two ways to send for the full comparison.
Where Zas runs
Web
Any modern browser, on any operating system. Nothing to install.
iPhone and iPad
On the App Store. Send straight from the share sheet.
Android
On Google Play. Zas appears as a system share target.
From a coding agent
Claude Code, Codex or any MCP client can send into your channels too, under an identity you approve and can revoke. See Agents.What Zas does not do
Zas does not sell storage, retention, or recovery of an item that already left. There is no archive to search and no folder to tidy. If you need a file next month, keep it somewhere built for that. Zas moves it there.Where to go next
Quickstart
Send your first thing in under a minute.
Coming from Drive, Dropbox or WhatsApp
What changes, and what you should keep using.
Expiry
The five-day clock, and how to pause it.
What the server can see
Written plainly, with the limits stated.