Audio & video
Camera & webcam test
Preview your camera and capture a photo.
Free · Browser-basedAUDIO & VIDEO
Battery charge monitor
Monitor charge information when your browser exposes it.
ON YOUR DEVICE
Files and tool inputs are processed on your device. Media access starts only after your action and browser permission.
One less thing on your list.
- 01
Read the permissions note and choose the device or media controls.
- 02
Press Start and respond to any browser permission prompt.
- 03
Stop capture before previewing or downloading a recording.
About this tool
Monitor charge information when your browser exposes it. Uses browser media, audio, display, and speech APIs. Devices are released when you stop or leave the tool.
Availability depends on browser, OS, HTTPS, hardware, and granted permissions. Capture is never started automatically. Recordings are limited to approximately 100 MB.
A couple of useful answers.
How do I use battery charge monitor?+
Read the permissions note and choose the device or media controls. Press Start and respond to any browser permission prompt. Stop capture before previewing or downloading a recording.
What happens to my input?+
Files and tool inputs are processed on your device. Media access starts only after your action and browser permission.
Files and tool inputs are processed on your device. Media access starts only after your action and browser permission.
Privacy details