AIFF to M4A Converter Tool [2025]

• Convert uncompressed AIFF files to M4A format using the high-quality AAC codec.
• Multiple quality options:
  • High Quality (256 kbps) for excellent audio
  • Medium Quality (192 kbps) for a great balance
  • Low Quality (128 kbps) for smaller file sizes
• Advanced controls:
  • Precise audio trimming with timestamp control
  • Volume adjustment with percentage control
  • Fade in/out effects
  • Audio reverse option
• Fast and secure conversion directly in your browser.
• No file size limits or watermarks.
• No software installation required.

The AIFF to M4A Converter Tool is the perfect solution for converting large, uncompressed AIFF master files into a format that is both high-quality and highly compatible with modern devices, especially those in the Apple ecosystem. M4A files, which use AAC encoding, offer a better quality-to-size ratio than MP3.

• Optimized for Apple: M4A is the standard container format for audio in Apple iTunes, on iPhones, iPads, and Macs.
• Efficient and High-Quality: The underlying AAC codec provides superior audio quality compared to MP3 at the same bitrate.
• Reduce File Size: Convert large AIFF files into smaller, more portable M4A files without a significant perceptible loss in quality.