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MP4 is a multimedia container format that can store video, audio, subtitles, and images. It’s the most common format for online video streaming and playback, supporting high compression and broad compatibility. MP4 is often used with H.264 and AAC codecs.
AIFF stands for Audio Interchange File Format and is essentially the same as AIF. It’s a standard for storing uncompressed audio, especially popular on Apple devices and in professional studios. AIFF files offer excellent audio quality, making them a favorite in music and media production.
Convert your .mp4 files to .aiff right in your browser — no downloads, no installs. Everything happens securely in the cloud.
We never store your files permanently. Only you can access them, and they’re automatically deleted from our servers within 2 hours.
Turn your MP4 files into AIFF in just a couple of clicks. No registration, no limits — and it’s 100% free.