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M4A to FLAC

Free Online M4A to FLAC Converter – Batch Convert, Cut, and Compress Videos, Audio & Images

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This tool converts M4A to FLAC completely free and without any functional limitations. Since it is based on the browser API, the processing speed is the fastest because all files are processed locally on your device and are not uploaded to our server.
About M4A files
M4A (MPEG-4 Audio) is a high-quality audio format developed by Apple, based on the AAC (Advanced Audio Coding) standard. It offers better sound compression than MP3 while maintaining excellent audio quality, making it ideal for music and podcasts. M4A files are often used in iTunes and Apple devices, supporting lossy compression with smaller file sizes than MP3 at similar quality levels. Though less universal than MP3, it is widely supported on modern devices and media players.
About FLAC files
FLAC (Free Lossless Audio Codec) is a high-quality audio format that compresses audio files without losing any sound quality, making it ideal for archiving and audiophiles. It retains all original audio data while reducing file sizes by up to 50% compared to uncompressed formats like WAV. FLAC is widely supported across devices and software, though not natively playable on some portable players. As a royalty-free open format, it's popular among music enthusiasts for preserving studio-quality recordings without the large file sizes of uncompressed audio.

Batch Convert M4A to FLAC Online

With this SoConvert tool, you can convert multiple M4A files to FLAC directly in your browser for free. You can also adjust the audio Bitrate during conversion.

Click the Options button in the top-right corner to open the settings panel, where you can customize the output FLAC audio Bitrate.

Other Settings Explained:

  • Encoding Speed: Choose the encoding speed. Faster speeds result in larger file sizes.
  • Audio Bitrate: Recommended range is 8 – 320 Kbps.
  • Cut Audio: Trim the audio using a start and end time in HH:MM:SS format. For example, setting 00:00:05 to 00:00:08 will cut a 3-second clip from the audio.

    • Before converting, you can choose a local folder to save the converted FLAC files. Once an M4A file is successfully converted, it will be automatically saved to your selected directory—no manual download required.

    Save All: After all M4A files are converted, click “Save All” to export every FLAC file to your chosen folder in one go.