SoundConverter is application for batch converting sound files between formats. Just set the options and drag in files or folders to convert. Free for basic formats and $14 for a license to unlock advanced formats and batch conversion. Advanced formats are available for 14 day trial period. Tags are supported for mp3, ogg and flac files.

Free Version:

Input Formats: aac aif aiff amr au flac gsm m4a mp3 ogg raw vox wav wma

Output Formats: aif aiff au flac gsm m4a mp3 ogg raw vox wav

Advanced Version:

Input Formats: 8svx, ac3, aif, aifc, aiff, al, ape, asf, au, avr, cdr, cvs, dat, fap, ffm, flac, gsm, hcom, ircam, la, lu, m4a, mat, mat4, mat5, maud, mp3, mp4, mpeg, nist, ogg, paf, prc, pvf, raw, rm, sb, sf, shn, sl, smp, snd, sndt, sph, svx, sw, txw, ub, ul, uw, vms, vob, voc, vox, w64, wav, wve

Output Formats: 4xm, 8svx, aac, ac3, aif, aifc, aiff, al, amr, ape, asf, au, auto, avi, avr, cdr, cvs, dat, dv, fap, ffm, flac, gsm, h263, h264, hcom, ircam, la, lu, m4a, m4v, mat, mat4, mat5, maud, mov, mp2, mp3, mp4, mpeg, mpeg1, mpegts, mpg, nist, nul, ogg, paf, pcm, prc, pvf, raw, rawNVF, redir, rm, rtp, rtsp, s16be, s16le, s8, sb, sd2, sd2f, sdp, sf, sffd, shn, sl, smp, snd, sndt, sph, svx, sw, txw, u16be, u16le, u8, ub, ul, uw, vms, vob, voc, vorbis, vox, w64, wav, wma, wve, xi