"To M4A Converter" encodes more than 200 audio and video formats to MP4/M4A on Mac OS X efficiently and quickly. Pleasant advantages, like: 

ensure quality and quick conversion of audio and video files, such as music, songs, soundtracks, and others, to MP4/M4A.


  • To M4A Converter for Mac - Batches of files and folders to MP4 M4A in one click, more than 200 source formats, customizable MP4 M4A settings, CUE splitter

    To M4A Converter for Mac OS X

  • To M4A Converter for Mac - Customize MP4 M4A settings, AAC LC, ALAC, AAC HE codecs, Bit Rate Mode, Auto-selection of audio parameters
  • To M4A Converter for Mac - Audio effects, improve sound on the fly, Peak and Loudness EBU R128 Normalizations, Trimming, Fade In, Fade Out effects
  • To M4A Converter for Mac - organize tags on the fly, transfer source tags during conversion, load tags from MusicBrainz, load tags from paths
  • To M4A Converter - iTunes and Apple Music integration, export to iTunes or Music after successful conversion, custom destination folder



The App converts most of video and audio input types of files, like: MP3, MP4, WMA, FLAC, AMR, CDA, OGG, AVI, WMV, AIFF, FLV, WAV, MPG, ASF, MPEG, MPE, MOV, 3GP, M4V, MKV, MOD, OGM, DV, VID and others.



The Converter supports MP4/M4A output format with AAC and ALAC codecs:

  • AAC-LC (Low Complexity AAC) - provides high-quality encoding, the most efficient and mostly used. This codec is selected by default
  • AAC-HE v1 (High-Efficiency AAC v1) - provides a medium-quality encoding at lower bitrates for mobile and broadcasting.
  • AAC-HE v2 (High-Efficiency AAC v2) - provides medium-quality encoding for lower bitrates with the use of Parametric Stereo technology. It should be used for mobile, broadcasting, and other domains where CD-quality is not essential.
  • ALAC (Apple Lossless Audio Codec) - is the only lossless codec natively supported by iTunes and iOS devices.

By default, automatic settings are selected, which ensure the best possible quality of audio by avoiding useless resampling and remixing. Customized fixed settings for Sample Rate, Channels, Bit Rate, Bit Rate Mode, VBR Quality, Bit Depth, Compression Level, and Codec also can be applied.
Read More: Preferences / MP4 Format >>


You will find enjoyment in upper class of converted sound thanks to built-in volume adjuster and audio effects. Volume adjuster amplifies the volume of too quiet sound or its parts like speech and voices. Audio effects include fade-in, fade-out, trimming of silence at the start and end of tracks. Enabling of audio effects like Fade-In and Fade-Out ensures the flawless transition between the songs.



This mac app can encode an unlimited number of media files and folders. Just drop your audio and video for conversion. The application will keep folders' structure, original tags, and file names for all output MP3s. You will be provided with detailed progress of every file's conversion and notified when the encoding of all files is finished.



The app separates and transforms into M4A format ALL audio streams from a video. Some video files, such as MP4, WMV, AVI, and MKV contain few audio tracks. It could be multiple language tracks or audios for various types of hardware. The majority of MP4/M4A encoders capture only a single audio track – that is defined as major by the movies’ creators. Even so, if you would like to extract all audio tracks from a video, you have to use a special application. To M4A Converter is an ideal tool for such an occasion – it rips every audio stream from a video. Thus, you only have to choose – which audio stream you prefer, since you will possess all of them.



To convert media files to MP4/M4A format just select a destination folder and drop your files or folders to the app’s icon or interface. Converter advises when processing is made and if there are any failures. Convert utility is “crash-free”.



To M4A Converter supports the transfer of tags from source files to output M4A or MP4 files, allowing the conversion of source WAV Info, ID3, XIPH/Vorbis, and other metadata formats into MP4 tags embedded into output M4A files. You also can enjoy better-organized music thanks to loading missing MP4 tags from online databases or local folders and file names.


**NOTE: DRM protected audio and VOB files cannot be converted because of the App Store policies.