macOS 13.0+ & Windows 10/11 • ARM64 & x64 • 100% Free & Open Source

Max Watch

A 100% offline, free, encrypted Mac & Windows video recorder with motion detection.

Turn your MacBook, iMac, Windows laptop, desktop PC, or external USB webcam into a motion-activated security recorder that keeps recording even while your screen is locked. Footage is encrypted in memory into a password-protected AES-256 vault with zero cloud accounts, zero subscriptions, and zero network access.

Download for Mac & Windows View Source Code on GitHub Privacy Policy

Motion Detection Sliding Scale

Dial sensitivity from subtle movement (100%) to heavy-motion-only triggers (10%) with a live motion energy meter, trigger marker, and 48 kHz AAC microphone meter.

Records While Screen Is Locked

Arm Max Watch and press Ctrl+Cmd+Q on Mac or Win+L on Windows to lock your computer. Motion detection and encrypted video recording continue uninterrupted in the background.

Strictly Locked AES-256 Vault

Clips encrypt in RAM via Curve25519 + AES-256-GCM while the vault stays locked during recording, so nobody entering a room can press Play All or delete clips without your password.

Power-Cut & Exit Safe

1-second encrypted fMP4 segments sync to disk every second so recordings survive sudden power loss, and quitting flushes active clips cleanly before exit.

Fast Scrubber Ball & 1x / 4x / 12x Speeds

Drag the timeline scrubber ball to skim footage rapidly in RAM with zero disk temp files, or review recordings sequentially at Normal (1x), 4x, or 12x speed.

One-Click Save & Next + Delete & Next

Browsing many motion clips is effortless: export standard MP4 copies to any chosen folder on your Mac or Windows PC with Save & Next, or zero-wipe unwanted clips with Delete & Next.