Convert FLAC to MP4 — Free Online Converter

MP4 (MPEG-4 Part 14) is the most universally supported multimedia container in the world. While typically associated with video, MP4 can store audio-only content using AAC or ALAC codecs. Converting FLAC to MP4 means encoding the lossless audio into AAC (or ALAC) inside an MP4 container, producing a file that plays on virtually every device, browser, and operating system manufactured in the last 15 years. The result is functionally identical to an M4A file (M4A is just MP4 with a different extension).

MP4 is the universal format. Every smartphone, tablet, computer, smart TV, game console, car infotainment system, and web browser supports MP4 playback. Converting FLAC to MP4/AAC produces files that work everywhere without exception. For web embedding, MP4 audio is the safest format for HTML5 audio elements across Chrome, Firefox, Safari, and Edge. Some content management systems and media platforms only accept MP4 containers.