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Convert FLAC to AAC
FLAC is lossless but 3-5 times larger than MP3, and phones and cars do not always play it. AAC delivers better sound than MP3 at the same bitrate.
- Free
- No sign-up
- Batch conversion
Why convert FLAC to AAC?
To convert FLAC files to AAC, drop them on the counter above.
Most files convert in seconds: no queue, no email address, and the AAC result saves straight to your computer or phone.
How to convert FLAC to AAC
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Add your FLAC files
Drag your FLAC files onto the counter or pick them with Choose files. You can add several at once.
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Check the settings
The defaults suit most cases. Change quality, size or other options if you like; after a change, one click converts again.
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Conversion starts by itself
Each file is converted to AAC and its row is stamped CONVERTED.
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Download your AAC file
Get the file with Download. With several files you can download them all as one ZIP.
FLAC vs AAC
| Property | FLAC | AAC |
|---|---|---|
| Full name | Free Lossless Audio Codec | Advanced Audio Coding |
| Type | Audio | Audio |
| Compression | Lossless | Lossy |
| Created by | Xiph.Org Foundation | MPEG |
| Year | 2001 | 1997 |
| Extensions | .flac | .aac .adts |
| MIME | audio/flac | audio/aac |
About the formats
FLAC
Free Lossless Audio Codec
FLAC is an open format that compresses audio to roughly half size without losing any quality. Music archivists and hi-fi listeners prefer it.
AAC
Advanced Audio Coding
AAC is the lossy audio codec developed as the successor to MP3. YouTube, Apple and streaming services use it; .aac files are a raw AAC stream.
Frequently asked questions
Is converting FLAC to AAC free?
Yes, completely free. No account, no daily limit, no watermark and no queue.
Does it work on a phone?
Yes. It works on iPhone, iPad and Android, with no app to install.
Is there a file size limit?
There is no size limit set by us. Files of hundreds of MB convert too; very large files take longer and are handled more comfortably on a computer than on a phone.
Other conversions
| Family | Give | → | Get | What you gain |
|---|---|---|---|---|
| AAC | FLAC | lossless at half size · larger file | ||
| FLAC | MP3 | plays on every device · smaller file | ||
| FLAC | WAV | lossless, ready to edit | ||
| FLAC | M4A | better than MP3 at the same size · smaller file | ||
| FLAC | OGG | open and royalty-free · smaller file | ||
| FLAC | OPUS | most efficient for speech · smaller file | ||
| MP3 | AAC | broadcast-grade audio · MP3 recording | ||
| WAV | AAC | broadcast-grade audio · smaller file | ||
| M4A | AAC | broadcast-grade audio · iPhone voice memo | ||
| OGG | AAC | broadcast-grade audio · Telegram voice message | ||
| OPUS | AAC | broadcast-grade audio · WhatsApp voice note | ||
| WMA | AAC | broadcast-grade audio · old Windows Media audio |