M4B to AAC Online Converter

Convert your M4B file to AAC format in simple 3 clicks.

Step 1 - Select a file(s) to convert
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Step 2 - Convert your files to
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Step 3 - Start converting
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Convert your M4B File to AAC Format

Our free M4B to AAC online converter is the easiest way to convert M4B files to AAC format. The best online web-based app to transform M4B's into high-quality AAC format within seconds. No file size limit and no registration or login required. Choose your M4B file, click convert, then download your converted file without the burden of installing additional software on your PC. Our free online M4B to AAC converter is 100% secure and super fast and also works on all computers and mobile devices with active internet access - regardless of the operating system you have.

M4B
  • File extension
  • .m4b
  • Category
  • AUDIO
  • Description
  • The file with .m4b extension is an audiobook generally used by Apple books and iTunes. The Audio used in this format is stored in MPEG-4 and compressed by using AAC encoding. An M4B file is very similar to M4A but having support the audiobook related features, such as bookmarking and chapter breaks. The M4B files are available in both DRM enabled and DRM free versions. DRM encryted audiobooks are usually paid audiobooks from iTunes Store. Whereas, DRM free can be found easily over the internet.
  • Actions
  • M4B Converter
  • Technical Details
  • Associated programs
  • Apple iTunes (Windows & Mac),File Viewer Plus (Windows),Nullsoft Winamp (Windows),Microsoft Windows Media Player (Windows),Roxio Creator NXT Pro (Windows),Ventis Media MediaMonkey (Windows),VideoLAN VLC media player (Windows, Mac & Linux)
  • Developed by
  • Apple
  • MIME type
  • audio/mp4a-latm
AAC
  • File extension
  • .aac
  • Category
  • AUDIO
  • Description
  • AAC (Advanced Audio Coding) refers to digital audio coding standard that represent audio files based on lossy audio compression. It was launched as successor of MP3 file format keeping in view that the lateral faced issues for the implementation of new ideas in the encoding process based on the development of methods for data compression. AAC achieves better sound quality as compared to MP3 at the same bit rate. It was defined in MPEG-2 Part 7 (ISO/IEC 13818-7), and in an updated form in MPEG-4 Part 3 (ISO/IEC 14496-3). The format was adopted as default media format by YouTube, iPhone, iPod, iPad, Apple iTunes and several other platforms. Several applications and APIs are available for conversion of AAC file format to other formats such as MP3, WMA, M4A, WAV and others.
  • Actions
  • AAC Converter
  • Technical Details
  • Associated programs
  • Windows Media Player,iTunes,KMPlayer,RealPlayer,VideoLAN VLC Media Player
  • Developed by
  • A combination of Fraunhofer IIS, AT&T Bell Laboratories, Dolby and Sony Corporation
  • MIME type
  • audio/aac

Free M4B File Conversion Tools

Free for Everyone

Our online service is absolutely FREE! There are no hidden costs, and you can convert as many files as you like. No need to download or install additional apps or extensions on your computer.

100% Secure

Your content is never stored on our servers. Files are automatically deleted from our servers immediately after the conversion process. We guarantee your file's security and privacy.

High-Speed Conversion

Your files are processed using our powerful conversion servers. In most cases, the conversion takes less time than it would if you used your own computer.

No Limitations

Unlike other services, our platform imposes no limits on the number of files you can convert. Convert as many as you want—no registration or login required.

Quality Output

We use high-quality conversion algorithms to ensure that you won't lose quality during the file conversion process. Your converted output file retains the same quality and effects as the original file.

Support 100+ Formats

We support over 200 file formats, more than any other online converter. From documents and images to videos, audio files, and eBooks, our service has you covered—and we’re continuously adding more formats.