Free online AAC-to-FLAC converter — upload a AAC file and download a FLAC. Fast, private, no signup.
Drop your AAC file into the converter above — we auto-detect the real format from its bytes, convert it, and give you a FLAC to download. No software to install.
Yes. Convert AAC to FLAC for free right in your browser, with no account needed to get started.
Your file is transferred over an encrypted connection and anonymous uploads are temporary. You can also view and strip metadata (location, device, author) before you download.
Advanced Audio Coding (lossy, MP3 successor). Free Lossless Audio Codec.
Convert AAC to: MP3 · WAV · M4A · AIFF · OGG · OPUS
Convert to FLAC from: AIFF · M4A · MP3 · OGG · OPUS · WAV · WMA · 3GP · AVI · FLV