Desktop
DocuGuest runs in any modern browser on Windows, Mac or Linux. You need a webcam (or a document camera) and the page must be served over HTTPS.
The scanner opens on the camera, ready to scan. Four tabs across the top take you between Scan, Upload, a built-in Scan Guide and Get a Cam. It follows your system's light or dark appearance, or whichever one the site embedding it asks for.