Convert Audio Files to MP3, M4A, WAV, FLAC or AIFF on Your Mac
Convert Audio changes audio files to MP3, M4A (AAC), WAV, FLAC or AIFF. For MP3 and M4A you can pick the bitrate, and you can keep the original sample rate or change it. Lossless formats keep every detail, and 24-bit sources stay 24-bit.
How to use Convert Audio
Open Convert Audio and drop audio files or a folder.
Choose MP3, M4A, WAV, FLAC or AIFF.
Pick a bitrate for MP3 or M4A, and a sample rate or Original.
Click Convert and find the new files in Downloads.
Questions about Convert Audio
How do I convert WAV to MP3 on Mac?
Drop the WAV files into Convert Audio, choose MP3 and a bitrate, and click Convert. The originals stay as they are.
Can I convert FLAC to a format Apple Music plays?
Yes. Convert FLAC to M4A (AAC) for small files or to AIFF or WAV to stay lossless.
Is it free?
No. Toolbox is a one-time purchase starting at $24.99 with no subscription, and conversions run entirely on your Mac.
Related tools
72 Mac tools. One app. Pay once.
From $24.99 one-time · macOS 15 Sequoia or later
Buy Toolbox from $24.99