MP4 to AAC

Convert MP4 files to AAC online for free. Fast, secure, and no installation required. Best MP4 to AAC tool.

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Convert your files in seconds. No limitations, no watermarks.

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High Quality

Best in class algorithms for AAC conversion.

What is MP4?

MPEG-4 Part 14

MP4 is the most widely compatible video container format today. It stores video, audio, and subtitles and is supported by almost all players, browsers, and devices. It typically uses H.264 or H.265 video compression and AAC audio.

Universal compatibility
High compression efficiency
Supports streaming

What is AAC?

Advanced Audio Coding

AAC is an audio coding standard for lossy digital audio compression. Designed to be the successor of the MP3 format, AAC generally achieves better sound quality than MP3 at the same bit rate.

Better quality than MP3
Standard for YouTube/Apple
High efficiency