M4B to OGA Converter

Convert M4B to OGA online quickly and easily. Just upload your file, convert it, and download the OGA in seconds.

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What is M4B ?

M4B is the audiobook version of M4A: AAC audio in an MPEG-4 file with chapter marks and bookmarking, used by Apple Books and many audiobook apps.

M4B format  ▶

What is OGA ?

OGA is an Ogg file that holds only audio, usually Vorbis, Opus or FLAC. The .oga extension marks it as audio, where .ogg is used for any Ogg file.

OGA format  ▶

How to convert M4B to OGA

  1. Upload your M4B file
    Drag and drop your M4B file, click 'Select Files' to upload from your device, or import directly from Dropbox, Google Drive, OneDrive, or paste a URL.
  2. Choose OGA as output format
    The converter is preset to OGA, but you can select any other output format before converting.
  3. Adjust settings (optional)
    If you like, tweak output options such as resolution, quality, or compression before converting.
  4. Convert the file
    Click the 'Convert' button. The conversion takes only a few seconds.
  5. Download your converted file
    Download the converted file to your device, or save it directly to Google Drive, Dropbox, or OneDrive.