Convert AAC to MP3 Online, Free

Drop in your AAC file and get back MP3 in a few seconds. AAC is a modern, efficient codec that sounds better than MP3 at the same bitrate; Titan converts it to MP3 on our servers, no watermark, no account.

Free 30-day trial, no credit card and no account. Runs on Windows 10 and 11.

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Convert AAC to MP3, Free

Upload a AAC file and get MP3 back. Runs on our servers, no install needed. 30 free conversions/day.

Tap or drag to choose a file

AAC in, MP3 out

Output Format

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Daily limit reached (30/day). Download the free app for unlimited offline conversions.

How to do it in 3 simple steps.

No internet. No upload. No watermark. Everything runs locally on your Windows PC.

Add your audio files

Drop MP3, WAV, FLAC, AAC, OGG, M4A, WMA, AIFF, OPUS, AC3, APE and more into Titan Converter. Batch add as many as you need.

Pick output format & quality

Choose your target: MP3, WAV, FLAC, AAC, OGG, OPUS, M4A, AIFF, WMA, AC3 or ALAC. Set bitrate or quality if desired.

Convert and download in seconds

Click Convert Now. Conversion runs on your own PC, so nothing is re-compressed by an upload step.

Works with every major format.

Titan Converter handles the popular input and output formats, and adds more with every update.

Input: what you have

MP3WAVFLACAACOGGAIFFAIFWMAM4AOPUSAC3APEAMRAUGSMMKACAF

Output: what you get

MP3WAVFLACOGGAACOPUSM4AAIFFWMAAC3ALACMKACAFGSM

Built for real users.

No subscriptions. No cloud. No limits on what you can do.

Any Audio Format

Covers MP3, WAV, FLAC, AAC, OGG, OPUS, M4A, AIFF, WMA, AC3, ALAC, MKA, CAF and GSM.

Quality Control

Set bitrate, keep original or choose lossless output. Full control over every conversion.

Batch Convert

Convert entire music libraries or podcast archives in one click. No waiting around.

100% Private

No upload, no cloud, no account. Your audio files stay on your computer.

More audio format conversions.

MP3 → AAC MP3 → WAV MP3 → FLAC MP3 → M4A WAV → FLAC All audio formats →Video → MP3 →

Common questions answered.

Drop your AAC file into the converter above — MP3 is already selected as the output. Click Convert Now and download the result once it finishes processing on our servers.

AAC (a modern, efficient codec that sounds better than MP3 at the same bitrate) isn't always what you need; MP3 is still the safest choice for maximum compatibility across old and new devices, which is usually why people convert to it.

Input: MP3, WAV, FLAC, AAC, OGG, AIFF, AIF, WMA, M4A, OPUS, AMR, AC3, APE, AU, GSM, MKA, CAF. Output: MP3, WAV, FLAC, OGG, AAC, OPUS, M4A, AIFF, WMA, AC3, ALAC, MKA, CAF, GSM.

FLAC to MP3 is a lossy conversion (MP3 is compressed), but Titan Converter lets you set the highest bitrate (320 kbps) to minimise any audible difference.

Yes. Add all your files at once, pick the output format, and convert everything in one click. You can pause and resume any time.

Both options exist. The online converter on this page uploads your file to convert it, then deletes it the moment you download the result. Nothing is stored. For offline conversion with no upload at all, download the free Windows app on your own PC, with no internet connection and no account.

Yes. Titan Converter takes video files as input and extracts the audio to any supported format. See the Video to MP3 guide.

Convert Your Audio Files. Free.

30-day unlimited trial. No internet. No upload. Batch convert hundreds of files.