Mac users interested in Osx freeware flac to m4a converter generally download:
UT Video Converter Pro Lite can convert both DVD and all popular video formats in one app. You not only can convert the video files into other formats, such as MOV, FLAC, MP3, MP4, WMA, FLV, AVI, PSP and so on, but also can rip the DVD movies into...
Transcode your FLAC music files to AAC, WAV, ALAC, OGG, WMA, AIFF and other formats and transfer them to your iPhone, iPad, and iPod. Extract FLAC audio from movies saved as MP4, AVI, MOV, FLV, MKV, or WMV files. Edit the length of music files, modify audio bitrate, channels, and sample rate, and adjust the volume.
Convert any type of media files into a necessary audio format. The supported audio and video formats include FLAC, WAV, WMA, AAC, ALAC, AC3, AIFF, M4A, MP3, MTS, MKV, AVI, 3GP, MOV, WMV, M4V, and HD. The audio can be played on iPhone 5, iPad 4, iPad mini, iPad, iPod touch, iPod nano, iPod and other digital player devices.