Step 1: Transfer your MP4 files using the button above or by slide and deposit.
Step 2: Click the 'Convert' button to start the conversion.
Step 3: Retrieve your converted AIFF files.
MP4 to AIFF Conversion FAQ
How do I convert MP4 to AIFF?
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Converting MP4 to AIFF extracts the audio track out of the MP4 video and saves it as a standalone AIFF file. Upload the MP4, pick AIFF, and MP4.to demuxes the soundtrack — no video frames are kept, so the result is a pure audio file you can play in any music app.
Why would I convert MP4 to AIFF?
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The video frames are dropped entirely — only the sound remains. The AIFF file is far smaller than the MP4 and plays in any music or podcast app instead of a video player.
Will converting MP4 to AIFF reduce quality?
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Audio quality is fully preserved. AIFF is a lossless format, so the extracted soundtrack is kept bit-for-bit exactly as it was inside the MP4.
How long does a MP4 to AIFF conversion take?
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Short clips finish in seconds. Longer MP4 videos run at roughly real-time or faster on our GPU encoders, so a half-hour recording typically lands in a few minutes.
Which AIFF settings should I choose?
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Pick AIFF when your target app or device requires it; otherwise choose the most widely-supported option in that format family.
Is the MP4 to AIFF converter free?
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Yes. Single-file MP4 to AIFF conversion is free with no signup. A Pro plan unlocks very large files, unlimited batch jobs and advanced features, but everyday conversions cost nothing.
How large a MP4 file can I convert to AIFF?
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Free users can upload MP4 files up to 100 MB — enough for most videos. Pro users go up to several GB per file and can queue large batches.
Can I convert several MP4 files to AIFF at once?
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Yes. Drop multiple MP4 files in one go and MP4.to converts them to AIFF in parallel. Free accounts handle a couple at a time; Pro accounts have unlimited batch conversion.
Do I need to install any software to convert MP4 to AIFF?
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No. The MP4 to AIFF conversion runs entirely server-side in your browser — no Photoshop, Office, ffmpeg or any local install. Upload, convert, download.
Can I convert MP4 to AIFF on my phone?
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Yes. MP4.to runs in any modern mobile browser, so iPhone, iPad and Android users can convert MP4 to AIFF without an app. The AIFF result downloads straight to your device.
Are my MP4 files kept private during conversion?
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Yes. Your MP4 upload and the AIFF output travel over HTTPS, are never read by a human, and are deleted automatically from our servers shortly after the job finishes. No watermarks, no resale of your data.
Do I need an account to convert MP4 to AIFF?
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No account is required for basic MP4 to AIFF conversions — you can convert immediately. A free account adds conversion history; a Pro plan adds large files, batch jobs and AI tools.