AAC is the successor of MP3: it sounds better at the same size. A bare .aac file is a stream of AAC frames; the usual home of AAC is the M4A file. Converting makes a new file: the sound is decoded and written again, so converting from a lossy format never brings back what was lost. AAC files can be saved as AIFF, FLAC, M4A, MP3, WAV, WMA, on our server.
What is an AAC file?
AAC – AAC audio. AAC is the successor of MP3: it sounds better at the same size. A bare .aac file is a stream of AAC frames; the usual home of AAC is the M4A file. Converting makes a new file: the sound is decoded and written again, so converting from a lossy format never brings back what was lost.
How to convert an AAC file
- Click Select File, or drop your .aac files anywhere on this page.
- Pick the format you want next to each file, for example AIFF.
- Click Convert, then Download when it's done.
AAC at a glance
| AAC | |
|---|---|
| Layout | A stream of sound |
| Editable | In audio editors |
| Created by | MPEG, 1997 |
| Best for | Music on phones and streaming |
Frequently asked questions
What is an AAC file?
AAC is the successor of MP3: it sounds better at the same size. A bare .aac file is a stream of AAC frames; the usual home of AAC is the M4A file. Converting makes a new file: the sound is decoded and written again, so converting from a lossy format never brings back what was lost.
How do I open an AAC file?
Most media players open AAC files: VLC plays almost every audio format, and the player on your phone or computer handles the common ones. To read it anywhere, convert it to MP3 here.
Is converting AAC files free?
Yes. Everyone gets 25 free credits a day, with no account needed. Conversions on our server use one credit per started minute of work, so most cost a single credit. Credits reset at midnight UTC.
Are my AAC files uploaded anywhere?
This conversion runs on our server, because converting audio needs ffmpeg, which does not run in a browser. Your file is sent over an encrypted connection, and both it and the result are deleted 72 hours after the conversion. The server has no internet access while it works on your file.
Convert AAC to
- AAC to AIFF Converter
- AAC to FLAC Converter
- AAC to M4A Converter
- AAC to MP3 Converter
- AAC to WAV Converter
- AAC to WMA Converter
Other audio converters
- Audio Converter
- MP3 Converter
- WAV Converter
- M4A Converter
- FLAC Converter
- M4B Converter
- OGA Converter
- OPUS Converter
- WEBA Converter
- WMA Converter
- AIFF Converter
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