AAC Converter converts more than 90 audio video files to AAC and support ID3 tag and batch conversion. The software is able to convert file to MP3, WAV, OGG, AMR, FLAC, AIFF, MP4, M4A, and M4B. You can change encoding parameters of target files such as sample frequency, bit rate, channels, and quality. So it is possible to convert a large size file to a smaller one. And, the software adds or keeps ID3 tag when converting. The software supports to change sound volume as well. AAC Converter supports 3G2, 3GP, AC3, ADTS, ADX, AIFC, AIFF, AMR, APE, ASF, AU, AVI, CAF, CDA, DVR-MS, FLAC, FLV, M2TS, M4A, M4B, M4R, M4V, MKA, MKV, MLP, MOV, MP2, MP3, MP4, MPA, MPC, MPEG, OGA, OGG, OGM, OGV, OMA, RA, RM, SHN, SND, SPX, TS, TTA, VOB, VOC, WAV, WMA, WMV, and WV files. The software also supports batch conversion. You can convert or resample a batch of files at a time.