AAC→FLACConverter
Convert your AAC files to FLAC format instantly. Free, fast, and secure - your files never leave your browser.
↔ Convert FLAC to AAC insteadDrop file or click to browse
Max 100MB • Auto-deletes after 3 min
How to Convert AAC to FLAC
Upload Your File
Drag & drop your AAC file or click to browse. Files up to 100MB are supported.
Convert
Click "Convert to FLAC" and wait a few seconds for processing.
Download
Download your converted FLAC file instantly. No registration needed.
Why Convert AAC to FLAC?
Converting AAC to FLAC preserves audio quality with lossless compression, ideal for archiving your music library and audiophile listening.
About AAC and FLAC
What is AAC?
AAC (Advanced Audio Coding) is a lossy audio codec that delivers superior sound quality compared to MP3 at the same bitrate. It's the default audio format for YouTube, Apple Music, and many streaming services.
What is FLAC?
FLAC (Free Lossless Audio Codec) provides bit-perfect audio compression, reducing file sizes by 50-70% without any quality loss. The preferred format for audiophiles and music archiving.
Frequently Asked Questions
How do I convert AAC to FLAC?
Upload your AAC file using the converter above, then click "Convert". Your file will be processed and you can download the converted FLAC file immediately. The entire process takes just seconds.
Is it free to convert AAC to FLAC?
Yes, ModConvert is completely free to use. There are no hidden charges, no registration required, and no watermarks on your converted files.
Is my AAC file safe when converting?
Absolutely. Your files are processed securely and are never stored permanently on our servers. Files are automatically cleaned up after conversion to protect your privacy.
What is the maximum file size for AAC to FLAC conversion?
You can convert AAC files up to 100MB in size. This covers most common use cases for audio files.
Can I convert multiple AAC files at once?
Yes, you can upload and convert multiple AAC files. Each file will be converted to FLAC format individually for the best quality results.