Launch the camera, capture a photo, draw directly on top of it, and save one merged image so the saved file matches the edits you see in the browser. No external libraries are used.
Controls
On phones and tablets, the save action downloads the merged image file. Depending on the device and browser, it may appear in Downloads or open a share/save dialog.
Ready.
Editor
Mode: Camera Preview
Start the camera to begin.
Then capture a photo, draw on top of it, and save the combined result.