Levelup for Dynamics 365/Power Apps is a FREE extension to the browser which contains different kinds of helpful tools for makers, admins and developers. Examples are quickly find the record id (guid), record URL, see the logical names of the fields when you are on a form and there is even a “god mode”, which unhides controls and makes read-only fields editable. OMG how dangerous it that. This is only for organized people who knows what they are doing. It is very handy though.
In the beginning of 2021 a new feature was released - the next generation of the "god mode". Natraj Yegnaraman announcing the impersonate feature on Twitter: New feature announcement. This new feature is included when you download LevelUp for Edge Level up for Dynamics 365/Power Apps and it will soon be available for other browsers too.
Levelup can be installed as an extension to Chrome, Edge Chromium and Firefox. Levelup is developed and maintained by MVP Natraj Yegnaraman.
Levelup on GitHub Source code and help for this extension.