Convert FLAC to AAC Online, Free

Drop in your FLAC file and get back AAC in a few seconds. FLAC is a lossless codec that shrinks file size roughly in half with zero quality loss; Titan converts it to AAC 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 FLAC to AAC, Free

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

Tap or drag to choose a file

FLAC in, AAC 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.

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

Common questions answered.

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

FLAC (a lossless codec that shrinks file size roughly in half with zero quality loss) isn't always what you need; AAC is Apple and YouTube's default codec, efficient and broadly supported, 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.