Convert AIFF to MP3 Online Free
Convert AIFF audio to MP3 format. Server-side processing with FFmpeg ensures high-quality audio conversion with optimal encoding settings.
ChangeThisFile converts your AIFF audio file to compact MP3 format using FFmpeg on our secure servers. AIFF is an Apple lossless format, and converting to MP3 dramatically reduces file size while retaining great listening quality. Auto-deleted after conversion, free with no signup.
Convert AIFF to MP3
Drop your AIFF file here to convert it instantly
Drag & drop your .aiff file here, or click to browse
Convert to MP3 instantly
AIFF vs MP3: Format Comparison
Key differences between the two formats
| Feature | AIFF | MP3 |
|---|---|---|
| Codec | PCM (uncompressed) | MPEG-1 Audio Layer III |
| Compression | None (uncompressed) | Lossy |
| Quality | Lossless / perfect | Good at 192+ kbps |
| Typical bitrate | 1,411 kbps (CD quality) | 32-320 kbps |
| Max sample rate | Up to 192 kHz | Up to 48 kHz |
| Channels | Up to 8 | Stereo |
| Metadata | ID3/AIFF chunks | ID3v1/ID3v2 tags |
| Compatibility | macOS, professional audio | Universal |
When to Convert
Common scenarios where this conversion is useful
Reduce file size for sharing
Convert large AIFF files to MP3 for email, messaging, or web upload where smaller files are needed.
Mobile device storage
Save storage space on phones and portable players by converting AIFF to more compact MP3 files.
Podcast distribution
Convert high-quality AIFF recordings to MP3 for podcast hosting platforms that require compressed audio.
Web audio embedding
Use MP3 for embedding audio on websites where bandwidth and load times matter.
Universal playback
MP3 is supported by virtually every device, app, and platform ever made, ensuring maximum compatibility.
How to Convert AIFF to MP3
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1
Upload your AIFF file
Drag and drop your .aiff file onto the converter, or click to browse. Files up to 50 MB are supported for free.
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2
Server-side conversion
Your file is securely uploaded and converted on our servers using FFmpeg, the industry-standard multimedia framework. This typically takes a few seconds.
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3
Download the result
Once conversion is complete, click Download to save your .mp3 file. The uploaded file is automatically deleted from our servers.
Frequently Asked Questions
Yes, completely free. Convert AIFF to MP3 with no cost, no signup, and no watermarks.
No. Files are automatically deleted immediately after conversion. Nothing is stored or retained.
Yes. Files are transferred over encrypted HTTPS connections. Your data is protected in transit.
The conversion uses FFmpeg, the industry-standard multimedia framework on our servers, ensuring reliable and high-quality output.
Yes, some quality is lost when converting from lossless AIFF to lossy MP3. The converter uses high bitrate settings to minimize perceptible loss.
Common metadata like title, artist, and album are transferred when supported by both AIFF and MP3 formats.
The converter uses high-quality default settings appropriate for MP3. The exact bitrate depends on the format's optimal encoding parameters.
The original sample rate is preserved in the output file whenever the target format supports it.
MP3 supports Stereo. Channel layout is preserved when supported by both formats.
File size depends on duration, bitrate, and compression. MP3 files with Lossy are smaller than uncompressed audio.
Currently, files are converted one at a time. Upload your next file after downloading the result.
Files up to 50 MB are supported for free conversion.
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