Convert M4A to MP3

Convert M4A audio files to universal MP3 format for compatibility with all devices.

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Drag & Drop M4A files here

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Auto-Deletion

Custom Bitrate

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How to Convert M4A to MP3?

Unlock your Apple music files for use on any device or player.

Upload M4A

Drag and drop your .m4a files. We support batch processing.

Choose Bitrate

Select 320kbps for the highest quality, or 128kbps for standard file sizes.

Download MP3

Get your new .mp3 files ready for your car, player, or editing software.

Pro Tip: Voice Memos

iPhone "Voice Memos" are recorded in M4A. This tool is perfect for converting those recordings to MP3 so you can email or edit them easily.

Engineering Philosophy

Universal Compatibility
For Your Audio Library.

Apple devices (iPhone, Mac) often record or download music in M4A (AAC) format. While efficient, this format can stubornly refuse to play on older car stereos, MP3 players, and some editing software.

Our conversion engine is built to solve this. It takes your high-efficiency M4A files and transcode them into universally compatible MP3s using the LAME encoder.

We ensure that critical metadata—like Song Title, Artist, and Album Art—is carefully read from the M4A container and written into the new MP3 ID3 tags.

Crafted by Audio Engineers

Universal

MP3 plays on literally everything. 100% device coverage.

LAME Power

Using the world's best MP3 encoder for max quality.

Metadata Preservation

M4A Tags → ID3v2 Tags

M4A vs. MP3: What's the Difference?

M4A is a container for modern audio codecs like AAC and ALAC. It's the default for Apple devices and offers great quality at small sizes.

MP3 is the universal standard. It's been around since the 90s. While technically less efficient than M4A, its superpower is compatibility. If a device has a speaker, it can probably play an MP3.

Converting from M4A to MP3 is essentially trading a bit of efficiency for maximum compatibility.

Format Showdown

Feature

M4A (Input)

MP3 (Output)

Compatibility

Apple/Modern

Universal (100%)

Compression

High Efficiency

Standard

Device Support

Smartphones

Everything

Primary Use

Streaming/iTunes

Portability

Conversion Quality

Bitrate Matters: Since you are converting from one lossy format (M4A) to another (MP3), we recommend choosing 320kbps or at least 192kbps to minimize quality loss.
Metadata Mapping: We read the `covr` atom (album art) from your M4A and write it as an ID3v2 frame in the MP3, so your music player still looks good.

Audio Jargon Buster

Container

Like a box that holds the audio stream. M4A is a container (box) that usually holds AAC audio (stream).

Transcoding

The process of decoding one format and re-encoding it into another. This is what happens when you convert M4A to MP3.

ALAC

Apple Lossless Audio Codec. A type of M4A file that has zero quality loss. Converting this to MP3 saves a lot of space.

ID3 Tags

The standard way text information (Artist, Album, etc.) is stored inside MP3 files.

Common Questions

Will sound quality improve?

No, you cannot add quality that isn't there. But converting high-quality M4A to 320kbps MP3 will sound virtually identical.

Can I convert iPhone memos?

Yes! This is one of the most popular uses for this tool. Upload your voice memo M4A and get a shareable MP3.

Tool Specs

Input FormatM4A (AAC/ALAC)

Output FormatMP3

Max Quality320kbps CBR

CompatibilityUniversal

Security TLS Encrypted

Secure Processing

Your data is handled with 256-bit encryption and deleted automatically.

Privacy Guaranteed

User Feedback

"Finally able to play my iTunes purchases on my old car stereo. Works like a charm!"

John M.

Music Lover

"Perfect for converting my iPhone interviews (M4A) to MP3 so I can transcribe them."

Sarah P.

Journalist

Frequently Asked Questions

What is an M4A file?

M4A stands for MPEG-4 Audio. It's the standard audio format used by Apple devices like iPhones, iPads, and Mac computers.

Why convert M4A to MP3?

MP3 is more universally supported. While M4A works great on Apple devices, MP3 works on virtually every device ever made, including older MP3 players and car audio systems.

Is M4A better quality than MP3?

Generally, yes. At the same file size, M4A usually offers better sound quality. However, a high-bitrate (320kbps) MP3 is indistinguishable from the original for most people.

Can I batch convert files?

Yes, you can upload multiple M4A files at once and convert them all to MP3 in a single batch.

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