Convert FLAC to AAC
Free, fast and secure — convert FLAC to AAC right in your browser.
FLAC
AAC
Shrink your FLAC by converting to AAC
Converting FLAC to AAC trades a little detail for a much smaller file, making AAC audio the practical choice for fast web pages, email and sharing.
How to convert FLAC to AAC
- 1 Drop your FLAC file into the converter above.
- 2 It is converted to AAC automatically — no settings to fiddle with.
- 3 Download your new AAC file instantly.
FLAC vs AAC
| Feature | FLAC | AAC |
|---|---|---|
| Compression | Lossless | Lossy |
| MIME type | audio/flac | audio/aac |
| Best for | Archiving and high-fidelity music libraries where quality must be preserved. | Streaming and modern playback where quality-per-byte beats raw compatibility. |
About the formats
FLAC
FLAC audio
FLAC is a lossless format that compresses audio with no quality loss — typically to about half the size of WAV. It is the audiophile choice for archiving music.
Strengths
- Lossless, full quality
- Smaller than WAV
- Rich metadata and tagging
Limitations
- Larger than lossy formats
- Not supported by every player
- Overkill for casual listening
Best for: Archiving and high-fidelity music libraries where quality must be preserved.
AAC
AAC audio
AAC is the successor to MP3, offering better sound at the same bitrate. It is the standard for streaming services, YouTube and Apple devices.
Strengths
- Better quality than MP3 at equal size
- Standard for streaming platforms
- Wide modern-device support
Limitations
- Lossy compression
- Slightly less universal than MP3
- No lossless mode
Best for: Streaming and modern playback where quality-per-byte beats raw compatibility.
Frequently asked questions
Upload your FLAC file above and it is converted to AAC automatically. When it is ready, download your new AAC audio — the whole thing takes just a few seconds in your browser.
Converting FLAC to AAC trades a little detail for a much smaller file, making AAC audio the practical choice for fast web pages, email and sharing.
Because AAC uses lossy compression, very fine detail may be reduced to save space. For everyday use the difference is hard to spot, and you get a much smaller file in return.
Yes. The converter is free to use, with no watermark and no sign-up required.
Your files are processed securely and are never shared with anyone.