No sign-up required

Client-side · zero install · runs in your browser

Give every session
one way in,
one way out.

Lockdown Browser seals the tab into fullscreen, restricts navigation to an approved list of domains, and gates the exit behind a PIN, a password, or nothing at all — your call. Built for exams, kiosks, and focused work.

Takes about 30 seconds to configure
  • 01Fullscreen enforcement with auto re-lock
  • 02Domain allowlist with click-level checks
  • 03PIN, password, or open exit — you decide
Configure your session
01

Logout method

Choose what's required to unlock and exit the session.

02

Exit button placement

Where the exit control sits on screen during lockdown.

03

Browser settings

Set the landing page and which outside domains are reachable.

This loads inside the locked frame and can't be closed by the user.

Comma-separated. Links to any other domain are blocked with a toast.

10

Arming lockdown session

Fullscreen and domain restrictions engage in a moment.

Press ESC to cancel

homepage
Locked Session