Browser-Based Tool
M4B to AAC Converter
The safest way to convert M4B to AAC online. Running entirely in your browser using WebAssembly technology.
convertto
Drag & Drop Audio
MP3WAVAACFLAC+30 more
Initializing Privacy Engine...
How to convert M4B to AAC?
- Select Audio: Drag & drop your M4B files or click "Select Files".
- Verify Settings: The target format is set to AAC. Adjust if needed.
- Convert: Click the button. Processing happens locally on your device.
- Download: Save your new AAC audio instantly.
Why use GetAnyFile?
- Privacy First: Your music and voice notes are safe.
- Hi-Fi Support: Convert lossless FLAC and WAV without quality loss.
- No Limits: Convert long DJ mixes or audiobooks easily.
- Free: No cost, no registration.
Frequently Asked Questions
Is converting M4B to AAC free?
Yes, totally free. We support the site with ads so you don't have to pay.
Is my data secure?
Yes. We process files in your browser. Your audio is never sent to a remote server.
Can I make ringtones?
Yes, convert any song to MP3 format to create custom ringtones for your phone.