Open the pillbox

Open protcul

Your pillbox, your device.

Use protcul without an account. Your data stays in this browser and never leaves your device.

No account, no fields — one action.

What this means

You’re using protcul as a guest. Your data stays in this browser, unencrypted, and never leaves your device. Removing this browser, or clearing its data, deletes it — export regularly.

Sign in

A name only you use to sign in. Not an email, and never shown to anyone else.

At least 12 characters. Length is the whole rule; no capitals or symbols required.

New here?

An account adds end-to-end encrypted sync across your devices, and nothing else. The changelog lists what the current release includes, and Technology explains where your data lives.