I need help ripping unity texture atlas

[Korkeus]

Hello, I need help with exporting unity texture atlas. 
Here's a google drive with the .asset which you can put into unity. I just need these exported or a way to export them into the .png format.
Link: https://drive.google.com/drive/folders/1...drive_link
Please help y'all I need these for an animation.
       

[marios1999]

I think Perfare's AssetStudio would be able to do that: https://github.com/Perfare/AssetStudio