Unlimited ConvertConvert FLAC to M4A — Free & Unlimited.
M4A is a brilliant container format that perfectly balances manageable file sizes with pristine audio reproduction. It's widely supported across mobile platforms and smart speakers. If your FLAC archive is eating up too much storage, swapping to M4A lets you reclaim hard drive space while keeping your playlists sounding great.
When you use traditional conversion sites, your data travels across the internet, leaving it vulnerable. We rebuilt the process from the ground up. By utilizing WebAssembly, the actual conversion logic executes locally on your CPU. No uploads mean zero risk of your private voice memos or unreleased tracks being intercepted.
Waiting for a progress bar to slowly creep across the screen as a file uploads is completely outdated. Because your audio never leaves your hard drive, the conversion starts the millisecond you hit the button. It is as fast as a desktop application, but conveniently accessible from your browser.