SteamGridDB Manager automatically finds games from launchers on your system and imports them into your Steam library with a click of a button.
See the website for download and more information: https://www.steamgriddb.com/manager
SteamGridDB Manager supports importing from the following launchers:
npm run runBuilds and starts the app.
npm run watchBuilds and starts the app. Reloads the app when any file changes.
npm run distBuilds, then outputs an installer into the
distdirectory using electron-builder.