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Bulk ALAC to SGI Converter Online — Free HD Quality

Drag and drop your multiple ALAC files into this free online ALAC to SGI converter (.alac to .sgi), and click the Convert button to bulk convert them to SGI format in HD quality. Use the quality slider to fine-tune your SGI 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%

Drop images here or click to browse

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

Max 100MB per file

ALAC vs SGI — File Format Comparison

Feature ALAC SGI
File Extension .alac .sgi
MIME Type audio/mp4 image/sgi
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 SGI Format?

Silicon Graphics Image format.

  • Compression: Lossless
  • Tags & Metadata: Supported

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