Free Online Converter
Convert MP3 to M4A
Free online MPEG Audio Layer 3 to MPEG-4 Audio converter. Fast, secure processing directly in your browser.
How to Convert MP3 to M4A
- Click or drag your MP3 file into the upload area above
- Wait for the file to be loaded (happens instantly in your browser)
- Click the "Convert File" button
- Your processed M4A file will automatically download
Why Convert MP3 to M4A?
Key Features
100% FreeNo subscription, no hidden fees, no limits
Privacy FirstFiles never leave your device
Fast ProcessingInstant browser-based conversion
No InstallationWorks directly in your browser
High QualityMaintains quality during conversion
SecureClient-side processing only
About MP3 and M4A Formats
MP3 (MPEG Audio Layer 3)
MP3 is the most widely supported audio format, using lossy compression to create small file sizes while maintaining good audio quality. Compatible with virtually all devices.
M4A (MPEG-4 Audio)
M4A is an audio-only MPEG-4 container commonly used by Apple devices and iTunes. Supports both lossy (AAC) and lossless (ALAC) compression.