Free M4A to MP3 Converter — Convert Apple Audio Online
Convert Apple M4A audio files to universally compatible MP3 format with selectable bitrate. Browser-based converter using FFmpeg WebAssembly — fast and private.
Drag & drop or click to upload an M4A audio file
Supports .m4a files from Apple Music, iTunes, and Voice Memos
Audio Info
Audio Preview
Powered by FFmpeg WebAssembly. All processing happens locally in your browser.
M4A → MP3 in Seconds
Apple uses M4A, but the world runs on MP3. Convert your iTunes, Apple Music, and Voice Memo files to the universally supported MP3 format — entirely in your browser, no upload required.
Key Features
Apple Format Support
Built specifically for M4A files from iTunes, Apple Music, GarageBand, and Voice Memos.
High-Quality Output
Choose from 128 to 320 kbps bitrate for the best balance of quality and compatibility.
In-Browser Preview
Listen to the converted MP3 directly in your browser before downloading.
Adjustable Bitrate
Fine-tune the MP3 output quality to balance file size and audio fidelity.
Common Use Cases
iTunes Library
Convert iTunes M4A purchases to MP3 for non-Apple devices
Voice Memos
Convert iPhone voice recordings to MP3 for easy sharing
Car Stereo
Create MP3 files compatible with car stereos and older audio players
How this Free M4A to MP3 Converter — Convert Apple Audio Online works
This converter transcodes Apple M4A (MPEG-4 Audio) files to MP3 format using FFmpeg WebAssembly running locally in the browser. M4A files typically contain AAC-encoded audio used by iTunes, Apple Music, GarageBand exports, and iPhone Voice Memos. The tool decodes the AAC stream and re-encodes it using the libmp3lame encoder at user-selected bitrates: 128, 192, 256, or 320 kbps with 44.1 kHz stereo output.
Since both M4A (AAC) and MP3 are lossy formats, converting between them introduces a generation loss. At 192 kbps and above, this quality difference is imperceptible to most listeners. The tool cannot process DRM-protected M4A files (such as older iTunes FairPlay-encrypted purchases), as the decryption keys are not available to browser-based tools. Only DRM-free M4A files from purchases, recordings, or exports will convert successfully.
The interface displays audio metadata including file size and duration, lets users select the target bitrate, and provides an in-browser audio player for immediate playback of the converted MP3. File size comparison between the original M4A and output MP3 helps users evaluate the bitrate trade-off between quality and compatibility.
How to Use
Upload M4A audio
Drag and drop or click to select an M4A audio file from your device.
Choose bitrate
Select output bitrate — higher values preserve more quality but increase file size.
Convert & download
Click Convert to transcode to MP3, preview the audio, then download.
Example Usage
An Apple Podcasts download converted to MP3 for playback on a portable media player.
Frequently Asked Questions
What is M4A format?
Why convert M4A to MP3?
Will I lose audio quality?
Can I convert DRM-protected M4A files?
Is my audio data safe?
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The M4A to MP3 Converter is maintained by CodeItBro. We aim to provide the best free developer tools on the web. If you have feedback or suggestions, please visit our contact page.
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