MP3 to AAC Converter
Convert MP3 files to AAC in your browser. Choose your file, adjust available settings, then download the converted file.
Maximum 100 MB per file, up to 5 files at a time.
300+ formats supported
Convert between 300+ file formats in your browser.
Fast and easy
Just drop your files on the page, choose an output format and click "Convert".
How to convert MP3 to AAC
- Click the “Choose Files” button to select your files.
- Click on the “Convert” button to start the conversion
- When the status change to “Done” click the “Download” button
About MP3
MPEG Audio Layer III · Audio
A widely supported compressed audio format for music, speech and podcasts.
Opens with: Most phones, browsers, music players and car stereos.
Strengths: Works almost everywhere and supports tags.
Limitations: Lossy compression removes some audio detail.
About AAC
Advanced Audio Coding · Audio
A lossy audio codec often stored in M4A files and widely used by Apple devices.
Opens with: iPhone, iTunes, browsers and modern players.
Strengths: Good quality for file size.
Limitations: Older players may support MP3 more reliably.
Why convert MP3 to AAC?
A widely supported compressed audio format for music, speech and podcasts. A lossy audio codec often stored in M4A files and widely used by Apple devices.
Use efficient audio with modern device support. Keep the original file until you have checked the result.