AAC to MP3 Converter

Convert AAC audio files to MP3 format. Adjust bitrate for quality vs size. Free online audio converter.

How to Convert AAC to MP3

  1. 1 Click to upload your AAC audio file
  2. 2 Select your preferred bitrate for output quality
  3. 3 Click the Convert to MP3 button
  4. 4 Wait for the conversion process to complete
  5. 5 Download your converted MP3 file

Frequently Asked Questions

How does browser-based video processing work?

MagicKit uses FFmpeg compiled to WebAssembly (WASM). This brings professional video editing capabilities directly to your browser.

What video formats are supported?

MP4, WebM, MOV, and AVI. Some tools also support MKV and other formats.

Is there a file size limit for videos?

We recommend files under 500MB for optimal browser performance. Larger files will work but may be slower.

Why does video processing take time?

Video encoding is computationally intensive. Processing happens on your device, so speed depends on your computer's capabilities.

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Last updated: January 15, 2026 · v2.1