PrivCam — Live security camera

Camera

Default camera

Saved in IndexedDB on this device. Use the switch button on the camera view when front and back cameras are available.

Person detection (WebGPU)

Use WebGPU for on-device person detection GPU power preference

Detection confidence threshold 80%

Classes to detect

The first class cannot be removed. Clips, photos, and alarms trigger when any selected class is detected above the threshold.

Runtime: not loaded

All settings are saved in IndexedDB on this device. Changing GPU options reloads the model on save.

Video recording

Record WebM clip while a person is visible

When enabled, video is recorded locally in the browser while someone is visible and saved when they leave. Clips appear in the panel on the camera view.

Photo capture

Take photo when a person is detected Minimum interval between photos (seconds)

Photos appear in the Captures panel on the camera view and in Gallery below.

Telegram notifications

Optional. When enabled, captured photos are sent to your Telegram chat via the Bot API. Your bot token is stored in this browser only; photos leave the device when a notification is sent.

How to create a bot & find your chat ID

Open Telegram and chat with @BotFather.
Send /newbot, then follow the prompts to name your bot and choose a username.
Copy the bot token BotFather replies with (format 123456789:ABC...) and paste it below.
Open a chat with your new bot and send /start so it is allowed to message you.
To find your chat ID, message @userinfobot — it replies with your numeric ID. Paste that in the Chat ID field below.
Tap Send test notification to verify alerts work.

Send photo alerts to Telegram Bot token

Stored locally in IndexedDB. Never sent to our servers — only to Telegram via the proxy.

Chat ID Message caption (photo is attached)

Placeholders: {time}, {date}, {personCount}, {detections}, {labels}, {device}

Stillness Detection (Lonely Death Prevention)

Detects when a person is present but not moving for too long. Uses optical flow to track movement within the person bounding box. Alerts when the person remains still.

Enable stillness detection

Alert after still (seconds) 10 s

Movement detection (Optical Flow)

Motion threshold (pixels) 1.5 px

Minimum moving track ratio 8%

Alert options

Browser speaker beep

Repeat beep every (seconds) 2 s

Telegram stillness alerts

Send stillness alerts to Telegram Bot token Chat ID

Uses the same Telegram bot as photo alerts. Stillness alerts are sent when a person remains unmoved for the configured duration.

Gallery

Photos & clips captured on this device. Select items to download or delete.

Sound alarm

Play an audible alarm when a person is first detected. Requires user interaction on the page before audio can play.

Sound alarm on person detection Alarm pattern Volume

Reset settings

Restore all toggles and preferences to factory defaults. Clips and photos on this device are kept.

Data & privacy

Remove all clips, photos, security events, saved poses, and settings stored in this browser. This cannot be undone.

Captures

Pose capture