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Bulk OGA to M4R Converter Online — Free HD Quality

Drag and drop your multiple OGA files into this free online OGA to M4R converter (.oga to .m4r), and click the Convert button to bulk convert them to M4R format in HD quality. Use the quality slider to fine-tune your M4R output, then download your converted files one by one or as a single ZIP — your original OGA files are removed from our servers right after.

To:
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Max 100MB per file

OGA vs M4R — File Format Comparison

Feature OGA M4R
File Extension .oga .m4r
MIME Type audio/ogg audio/mp4
Compression Type Lossy Lossy
Metadata Support Yes Yes

What Is OGA Format?

Ogg Audio — the .oga extension for audio-only Ogg container files (Vorbis or FLAC streams), defined by the Xiph.Org Foundation to distinguish audio-only Ogg from video .ogv files.

  • Compression: Lossy
  • Tags & Metadata: Supported

What Is M4R Format?

iPhone Ringtone — AAC audio in an MP4 container under 40 seconds, the format iTunes and iPhone use for custom ringtones; identical to M4A in encoding but recognised by iOS as a ringtone file.

  • Compression: Lossy
  • Tags & Metadata: Supported

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