WebShutter

Read the shutter count and other camera info from a Canon EOS DSLR, straight from the browser over USB.

Idle.

Notes

Requires a Chromium-based browser (Chrome / Edge / Opera) on any OS including Android.
Camera must be in PTP communication mode.
Supported bodies: 1D C, 1D X, 1D Mk IV, 7D/II, 5D II/III, 6D, 40D–70D, and the xxxD line.
Read-only. This only queries device properties, it changes nothing on the camera.