*Files deleted after 24 hours
Convert up to 1 GB files free, Pro users can convert up to 100 GB files; Sign up now
Step 1: Upload your AAC files using the button above or by drag and drop.
Step 2: Click the 'Convert' button to start the conversion.
Step 3: Download your converted MP4 files.
AAC offers better sound quality than MP3 at similar bit rates, used by Apple Music and YouTube.
MP4 container format can hold video, audio, subtitles, and images in a single file with excellent compression.
More MP4 conversion tools available
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