FLAC to AAC Converter
Compress lossless FLAC audio into the efficient AAC format — right in your browser.
FLAC is lossless but large. AAC shrinks it dramatically with high quality, which is ideal for phones, cars, and Apple devices where storage matters.
This tool converts FLAC to AAC locally — your files never leave your device.
How to convert FLAC to AAC
- 1Drop your FLAC file into the area above — or click to browse.
- 2The output format is already set to AAC. Adjust the quality settings if the format supports them.
- 3Click convert, then download your AAC file. Everything runs locally — nothing is uploaded.
Frequently asked questions
To save space on portable devices. AAC files are far smaller than FLAC while still sounding excellent at higher bitrates.
AAC is lossy, but at 256 kbps the difference from the FLAC source is inaudible to most listeners.
No. All processing happens entirely in your browser. Your data never leaves your device — nothing is uploaded to any server.
Yes. Once the page has loaded, the tool works completely offline. For the best experience, install PrivaDeck as a PWA from your browser.
Other conversions
Need a different format?
Open the full audio converter to pick from MP3, WAV, OGG, AAC, FLAC, M4A and Opus, convert in batches, and adjust bitrate, sample rate and channels.
Open the full Audio Converter