Looking for the best FLAC to WAV freeware program

Most burning software does not require conversion from FLAC and will simply work with the files natively. Of course, EAC on the other hand will only work with wav and it is the only appropriate program to use at times so wav conversion can be necessary. In that case, I'd just use the -d command with the FLAC CLI, considering it's already free.

For quick and easy GUI conversion, there's an ultra-lightweight freeware program I have pinned to the taskbar called "flicflac", it's more or less drag and drop and can do batch conversion between FLAC/wav and a couple of other formats.

 

A FLAC-WAV conversion can certainly accommodate producing 24/96 WAV files, but CD-Audio disks (aka "redbook" CDs) are maxed out, resolution wise, at 16-bit/44.1khz, so you can't use the WAV files to make a "real" audio CD without sacrificing resolution. You can burn a DATA CD-R with 24/96 files on it, but if your car player wants a "real" (or audio) CD, you're gonna have to sacrifice that resolution, or, as someone else has already recommended, get a digital audio player for knocking about in your car, and feeding the audio into the AUX-IN on your dashboard.

A small number of dedicated audio players (from companies like fiio) and now, even some smartphones, make portable hi-res listening a possibility. Fiio makes players for a variety of budgets, starting at $99 (at Amazon today) for their entry-level "X1" player.