Convert MP3 to AAC
Turn MP3 files into AAC in seconds — free.
- Works directly in your browser
- Keeps the original formatting and quality
- Download your file in seconds
- No signup, no watermark, no limits
- Supports batches of MP3 files up to 100 MB each
Upload your files
Drop MP3 files here
Files up to 100 MB · deleted automatically after 4 hours
How the conversion works
Three steps between your MP3 file and a finished AAC.
Add your MP3 file
Drag and drop it, or browse your device. Multiple files are fine.
Confirm AAC settings
Choose quality and naming, then start the conversion.
Download
Save the AAC file, or scan the QR code to grab it on your phone.
About converting MP3 to AAC
MP3 and AAC solve different problems, which is why this conversion is so common. Our converter reads the structure of your MP3 file and rebuilds it as a valid AAC file rather than simply renaming it, so the result opens cleanly in the apps you already use.
MP3 is the most widely supported compressed audio format. AAC is an efficient compressed audio format used by Apple and streaming services.
The converter sits in our audio converters toolkit alongside MP3, WAV, FLAC, M4A, AAC, OGG, WMA, AIFF, AMR and more. Nothing is installed, nothing is stored, and the output carries no watermark.