MP3 to AAC
Convert MP3 to Apple-friendly AAC
Drop one or more audio files
🔒 Files never leave your device
How it works
- 1Upload your audio
Drop or select one or more files.
- 2Convert
Audio is decoded and re-encoded in your browser.
- 3Download
Get a single file or a ZIP for batches.
About MP3 to AAC
MP3 to AAC — free online audio converter that runs in your browser. Files never leave your device. Uses a WebAssembly build of FFmpeg (first-time load ~30MB, cached after). MP3 to AAC on DashConvert runs entirely inside your browser using modern JavaScript APIs — no server ever sees your files. That means faster conversions, complete privacy, and no upload limits.
Whether you need to convert mp3 to apple-friendly aac for work, study, or personal use, this tool is free to use as many times as you need. There are no watermarks, no sign-up, and no ads inside your documents.
Frequently asked questions
Are my audio files uploaded?
Never. Conversion happens 100% in your browser.
Is there a size limit?
Only your device's memory. Long tracks may take a while to encode.