Preload a scene or picture?

Well you can't go wrong with XnConvert for the images.

What sound apps you using?

Hi, I tested XnConvert and it's comfortable (also available in German... ;-)
BUT:
I don't know, what's wrong. I converted my huge animation-pngs to half size webps, but they loss their transparency after converting and my used memory while starting the Vis-Player increases to 3 GB!!! (1GB before), the game's loading time slows to a crawl (it takes four to five times longer than before).

I tested converting with transparency by color selection and transparency by alpha-channel, but it was the same freeze. Only alpha works correctly. Of course the frame size on harddisk was only 50%, but later the using was horrible. So I'm not sure to use webp this way. I think this "unzipping" or "unpacking" while loading the compressed files takes a lot of time...

Machtnix

Did you check the screenshots / info I posted on the wiki page about image encoding? You must not have set something correctly. Transparency, file-size, loading times & memory usage is all ok on my end with the images I converted. Maybe it has something to do with your output settings or the exported settings of your png files?

* edit: do you have that memory leak issue while using VS? I have never had any memory issues thus far while using the editor or running vs player. Memory has always been below 1gb easy I think - will have to check to confirm.

@edit: this memory leak is only in this webp case. Usually Vis takes up to 1 GB, and that's only because of this untypical huge animation. I increase the picture cache to 500 MB, in other cases I don't have to do this. Standard games need 500 to 1 GB max.