Audio conversion websites

That’s a lot to upload and have converted. And then downloaded (again).
Or even from file host to site and then download.
I would think that would be a cause for premium services (paid subscription).

It’s best to download foobar2000 v1.2.9 (http://anonym.to/?http://www.foobar2000.org/) and convert those (load the .cue file) and convert to MP3.
WavePack (WV) is natively supported.
APe will need a separate download/install to decode. Monkey’s Audio Decoder (http://anonym.to/?http://www.foobar2000.org/components/view/foo_input_monkey)
Foobar also offers a free encoder pack (FLAC, MP3 (Lame), etc) that’s updated whenever the source is updated (FLAC updated to 1.3.0 recently, Lame MP3 not since it last updated to 3.99.5, like a million years ago.
Loading the .cue file will ensure you are converting to separate tracks and not one giant file.
Although, sometimes APE files will have embedded cues in them so you can sometimes load the whole image file and convert that way.

Note: Some downloads will show several .cue files. More often with APE music, you’ll see two .cue files. One normal one and one with "APE" attached somewhere in the name. Always use the one with APE in the name when converting with APE image files (single, large APE file with all music tracks).
The normal one is good after you split the tracks into FLAC or WAV for CD burning.

Also check out their complete list of components (http://anonym.to/?http://www.foobar2000.org/components) you can download/install for other useful junk.