AAC to MP3 converter
Open AAC audio files in any music app.
Runs in your browser. Your files never leave your device.
- Choose the bitrate
- Batch convert
- Nothing uploaded
How to convert AAC to MP3
- Drop your AAC files here.
- Pick a bitrate.
- Download the MP3 files.
Raw AAC vs M4A
| Raw .aac | M4A | |
|---|---|---|
| Container | None, just the audio stream | MP4 audio container |
| Metadata | None | Title, artist, artwork supported |
| Common source | Broadcast and legacy recording tools | iTunes, Apple Music, Voice Memos |
Picking a bitrate
192 kbps is a safe default for music, matching what most people can't tell apart from the original in casual listening. Step up to 256 or 320 kbps if you're archiving or listening on good headphones, and down to 128 kbps for spoken audio where file size matters more than fidelity.
Getting the file onto this page
Raw AAC files sometimes arrive without a recognizable icon or a media player willing to open them by double-clicking. As long as the file ends in .aac, you can still drag it into the drop zone or paste it with Ctrl+V after copying it, and the browser reads the audio directly without needing a dedicated AAC player installed first.
AAC to MP3 FAQ
What is a raw AAC file?
A .aac file holds AAC audio without a surrounding container, unlike M4A, so it carries no file info like track title or artwork, and some apps and devices cannot read it directly.
How is this different from M4A to MP3?
M4A wraps AAC audio in an MP4 container with proper metadata. Raw AAC has no container at all, just the compressed audio stream. Both convert to MP3 here, but from separate pages.
Which bitrate should I use?
192 kbps suits most music, and 320 kbps is the closest match to the original. Use 128 kbps for spoken word content.
Where do raw AAC files come from?
Digital broadcast recordings, some older ripping and recording software, and audio extracted from broadcast streams.
Will converting lose quality?
AAC and MP3 are both lossy, so re-encoding is a second compression step. At 256 kbps or higher, the loss is generally hard to notice.
Can I convert a batch of AAC files at once?
Yes. Drop them all in and download them individually or as a ZIP.
Why would a file end up as raw AAC instead of M4A?
Some recording, broadcast and encoding tools write the compressed audio stream directly to disk without wrapping it in a container, since that's simpler for streaming or piping between programs. The trade-off is that ordinary music apps often don't recognize the bare .aac extension.
Is my audio uploaded?
No. The conversion happens on your device.