Set Zoom display name before joining with bookmarklet
Zoom meeting link has an optional
uname query parameter that sets your display name before joining the meeting.
You can create a bookmarklet to apply your display name before opening the meeting.
Use this generator to create a zoom meeting display name bookmarklet.
Drag zoom bookmarklet to your bookmark bar. You can then rename it and add as many as you want.
Open the meeting link. You can get a test one here.
Before you click the "Launch Meeting" button, click your zoom bookmarklet. If the "Open Zoom Meetings" dialog shows up, choose the cancel button first.
Click the "Launch Meeting" button to launch Zoom.