Most video conferencing applications, such as Zoom, Google Meet, and Microsoft Teams, automatically set the resolution to 360p(480x360) to prevent high latency. If you need to present a clear document for your online classes in Google Meet, here's how to do it:
Step 1. Go to Google Meet > New meeting > Start an instant meeting
Step 2. Click the menu icon on the bottom-left corner > click Settings.
Step 3. In Settings > Video > Send resolution (maximum), select High Definition (720p) from the drop-down menu.
Here's the difference in video quality before and after the setting: