A cool free tool creates a heat map of your Google Maps movement data in no time at all. By Hans-Christian Dirscherl. Managing Editor, PC-WELT Jul 18, 2023 7:18 am PDT.

How to edit a map in Google Maps. 1. Sign into My Maps. 2. Open the map you want to edit. 3. On the left sidebar, you can make several edits, such as adding layers or customizing the appearance. 4.