Step 1: Upload your AIFF 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 MP3 files.
AIFF to MP3 Conversion FAQ
Is AIFF to MP3 a lossy or lossless conversion?
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If both AIFF and MP3 are lossless (WAV, FLAC, AIFF), no quality is lost. If MP3 is lossy (MP3, AAC, OGG, Opus), audio is re-encoded; we default to a high bitrate (192-320 kbps) for near-transparent quality.
Can I convert a stereo AIFF to mono MP3?
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Yes — toggle the 'force mono' option. This is useful for podcasts and voice memos to roughly halve file size.
Can I batch-convert AIFF files to MP3?
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Several files in one job need a paid plan. Free use is one file per conversion, one conversion an hour. On a paid plan you can add several files to one job, then download each result on its own or all of them in one ZIP.
Is the AIFF to MP3 converter free?
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Yes. One conversion an hour is free, with no account needed, for a file within the free size limit. A paid plan removes the hourly limit and the size limit, and lets you add several files to one job.
Does the converter remove DRM from AIFF files?
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No. PDF.to does not attempt to remove DRM. Conversions only succeed on unprotected source files.
Are my AIFF files private during conversion?
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Yes. Uploads travel over HTTPS, nobody reads the contents, and nothing is shared. Your uploaded AIFF and the resulting MP3 are deleted from our servers automatically about 24 hours after the conversion, which leaves time to download the result.
