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AAC to MP3 Converter - Universal Audio Format

Convert AAC/M4A to MP3 for universal device compatibility. Works on old players, car stereos, all devices. Free, private, browser-based.

Select Audio File

Drop AAC/M4A file here or click to browse

Supports AAC and M4A audio files

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Output Quality

Higher quality = larger file size

Best

320kbps, largest

High

256kbps, recommended

Good

192kbps, balanced

Smaller

128kbps, compact

Conversion Complete

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File Size
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vs Original

About MP3 Format

  • Universal compatibility—works everywhere
  • Supported by all devices since 1993
  • Perfect for old MP3 players & car stereos
  • Industry standard for portable audio
  • Widely supported in legacy systems

When to Use MP3

  • Old devices - MP3 players, car stereos
  • Maximum compatibility - Works anywhere
  • Legacy hardware - Basic phones, old PCs
  • Sharing - Everyone can play MP3

Related Tools

Privacy

All processing happens in your browser. Files never leave your device.

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