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Bulk M4R to BMP Converter Online — Free HD Quality

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

To:
85%

Drop images here or click to browse

PNG, JPG, WebP, GIF, HEIC, RAW, PSD, SVG and more

Max 100MB per file

M4R vs BMP — File Format Comparison

Feature M4R BMP
File Extension .m4r .bmp
MIME Type audio/mp4 image/bmp
Compression Type Lossy Lossless
Metadata Support Yes Yes

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

What Is BMP Format?

Windows Bitmap format, uncompressed raster images.

  • Compression: Lossless
  • Tags & Metadata: Supported

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