Convert MP3 to M4A
Free online MP3 to M4A converter.
Choose a .mp3 file
or drag and drop it here
Max 200 MB for video · 100 MB for other files
How to convert MP3 to M4A
- Click "Choose a .mp3 file" or drag and drop your MP3 file into the upload area.
- Select your preferred quality level — high quality keeps the best fidelity, smaller file prioritizes file size.
- Your file uploads directly to our secure servers and conversion starts automatically.
- Once finished, click "Download" to save your converted M4A file.
About MP3 and M4A formats
.mp3 format
MP3 is the most popular audio format worldwide. It uses lossy compression to dramatically reduce file size while maintaining acceptable audio quality. Universal compatibility.
.m4a format
M4A is an audio-only MPEG-4 container, typically using AAC encoding. Common on Apple devices and iTunes. Offers good quality at relatively small file sizes.
Privacy and security
Your files are encrypted during upload using 256-bit SSL and are automatically deleted from our servers within 24 hours. We never share, sell, or access your files. All conversions happen on isolated, ephemeral servers.