FLAC to AAC Converter
Convert FLAC files to AAC in seconds, right in your browser. Drop in one file or a whole folder, pick your quality settings and download - nothing is uploaded to a server.
Drop FLAC files here
MP3, WAV, FLAC, M4A, OGG, OPUS, AAC, AIFF, WMA, AMR, MP4, MOV & more · Processed on your device - nothing is uploaded
How to convert FLAC to AAC
- Click "Choose files" or drag your FLAC files onto the page.
- Make sure "AAC" is selected as the output format (192 kbps is a good default).
- Optionally click Edit to trim, adjust volume or add effects.
- Click Convert, then Download your AAC files.
Why convert FLAC to AAC?
AAC files are typically 5-10x smaller than FLAC, making them ideal for phones, sharing and streaming.
AAC is best for streaming, broadcast and devices that need a raw AAC stream. Most phones, browsers, smart TVs and media players.
Will I lose quality?
AAC is a lossy format, so some inaudible detail is removed to save space. At 192 kbps or higher most listeners cannot tell the difference from the original FLAC.
FLAC vs AAC
| FLAC | AAC | |
|---|---|---|
| Full name | Free Lossless Audio Codec | Advanced Audio Coding (ADTS) |
| Type | lossless | lossy |
| Best for | hi-fi music collections, archiving CDs and lossless streaming | streaming, broadcast and devices that need a raw AAC stream |
| Typical size | ~5-6 MB at 16-bit / 44.1 kHz per minute | ~1.4 MB at 192 kbps per minute |
| Compatibility | Supported by Android, iOS 11+, Windows 10+, macOS, most hi-fi players and browsers. | Most phones, browsers, smart TVs and media players. |
| Developed by | Xiph.Org Foundation (2001) | MPEG (1997) |
FLAC to AAC: questions
How do I convert FLAC to AAC?
Open this page, add your FLAC file, make sure AAC is selected as the output format and click Convert. Your AAC file is ready to download in seconds.
Will converting FLAC to AAC lose quality?
AAC is a lossy format, so some inaudible detail is removed to save space. At 192 kbps or higher most listeners cannot tell the difference from the original FLAC.
Is this FLAC to AAC converter free and safe?
Yes. It's free with no watermark or sign-up. Files are processed locally in your browser, so your audio is never uploaded or stored on our servers.
Can I convert many FLAC files to AAC at once?
Yes - add up to 5 files at a time on the free plan (unlimited with Pro), convert them all with one click and download them as a ZIP.
What is the difference between FLAC and AAC?
FLAC (Free Lossless Audio Codec) is a lossless format, lossless compression that shrinks audio to roughly 50-60% of WAV size without losing a single bit of quality. AAC (Advanced Audio Coding (ADTS)) is a compressed (lossy) format: raw AAC audio stream. The successor to MP3 used by YouTube, iPhone and digital radio.
Does it work on Mac, Windows, iPhone and Android?
Yes. The FLAC to AAC converter runs in any modern browser - Chrome, Safari, Edge or Firefox - on desktop and mobile. No software to install.