3 simple steps to get started.
Click 'Upload AAC file' or drag and drop a .aac or .m4a file onto the page.
Select the output sample rate — 44.1 kHz is recommended.
Click 'Convert to FLAC' — your FLAC file downloads instantly.
Everything you need to edit audio — right in your browser.
Trim, cut and split audio files instantly in your browser.
Boost low-end frequencies to add depth and punch to your audio.
Merge multiple audio files into a single track seamlessly.
Convert between MP3, WAV, OGG, FLAC, and more formats.
Increase or decrease the volume of your audio files.
Speed up or slow down audio without changing the pitch.
Add smooth fade-in and fade-out effects to your tracks.
Record audio directly from your microphone in the browser.
Adjust bass, treble, and mid frequencies to fine-tune sound.
Reverse any audio file instantly for creative effects.
Create custom ringtones from any audio file you have.
Remove background noise and clean up your audio recordings.
Extract audio tracks from video files quickly and easily.
Shift the pitch of audio up or down without changing speed.
Reduce dynamic range for consistent, polished audio levels.
Remove vocals from songs to create karaoke or instrumental tracks.
Split audio files into multiple equal or custom segments.
Transform any audio into an immersive 8D spatial experience with auto-panning.
Everything you need to know about aac to flac converter.
Upload any AAC or M4A file and convert it to FLAC. Lossless FLAC is required by some DAWs, archiving workflows, and hi-fi systems. No further quality loss after conversion. Free, in your browser. No downloads, no sign-ups, and no file uploads to external servers. Everything runs locally in your browser using the Web Audio API, keeping your files completely private and secure.
Simply upload your audio file — MP3, WAV, OGG, FLAC, or M4A — and use our intuitive editor to make your changes. Upload your AAC / M4A file, Choose sample rate, Convert & download. Once you're satisfied, export the result in your preferred format instantly.
Whether you're a podcaster, musician, content creator, or just someone who needs a quick audio edit, AAC to FLAC Converter is built for you. It works on any device — desktop, tablet, or mobile — across all modern browsers including Chrome, Firefox, Safari, and Edge.
Everything you need to know about AAC to FLAC Converter.