Answer by TeWu for How to switch the cursor between terminal and code in VSCode?

If you want Ctrl+` to toggle between terminal and the text editor, then do the following:

1. Open your keybinding.json file: Ctrl+Shift+P then select Preferences: Open Keyboard Shortcuts (JSON).

2. Add the following line:

  { "key": "ctrl+`", "command": "workbench.action.terminal.toggleTerminal" },

3. Save and close keybinding.json file.