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Bulk ALAC to RAS Converter Online — Free HD Quality

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

To:
85%

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

Max 100MB per file

ALAC vs RAS — File Format Comparison

Feature ALAC RAS
File Extension .alac .ras
MIME Type audio/mp4 image/x-sun-raster
Compression Type Lossless Lossless
Metadata Support Yes Yes

What Is ALAC Format?

Apple Lossless Audio Codec — Apple's open-source lossless compression stored in an MP4 container, offering bit-perfect quality with 40–60% smaller files than AIFF; the native lossless format for Apple Music and iTunes.

  • Compression: Lossless
  • Tags & Metadata: Supported

What Is RAS Format?

Sun Raster format for Unix systems.

  • Compression: Lossless
  • Tags & Metadata: Supported

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