Convert MP4 to FLAC online from any device, with a modern browser like Chrome, Opera and Firefox.

Audio Conversion

Aspose Audio Conversion is a free app to convert Audio format. Convert Audio online from Mac OS, Linux, Android, IOS, and anywhere.

Supported Documents: any audio or video file
Convert to: AAC, AIFF, FLAC, M4A, MP3, WAV, WMA, AC3, CAF, OGG

MP4 MPEG-4 Part 14

MP4(short for MPEG-4 Part 14) is a file format based on ISO/IEC 14496-12:2004 that is based on QuickTime File Format but formally specifies support for Initial Object Descriptors (IOD) and other MPEG features. It is mostly used to store video and audio but can also be used to store subtitles and still images.

FLAC Free Lossless Audio Codec

FLAC(Free Lossless Audio Codec) is a lossless compression audio coding format developed by Xiph.Org Foundation. FLAC is a royalty-free open format that is saved with the .flac extension. Digital audio compressed using the FLAC algorithm is typically reduced to 50 to 70 percent in size.

How to convert mp4 files

Click inside the file drop area to upload a mp4 file or drag and drop a mp4 file.
Your mp4 file will be uploaded and will be converted to other format.
Download link of result file will be available instantly after conversion.
You can also send a link to the mp4 file to your email address.
Note that file will be deleted from our servers after 24 hours and download links will stop working after this time period.

Fast and Easy Conversion

Upload your document, choose the save format type and click on “Convert” button. You will get the download link as soon as the file is converted.

Convert from Anywhere

It works from all platforms including Windows, Mac, Android and iOS. All files are processed on our servers. No plugin or software installation required for you.

Free online MP4 to FLAC converter