Free online AIFF to CAF converter

Understanding AIFF and CAF file formats

AIFF (Audio Interchange File Format) is an audio file format developed by Apple, commonly used for storing high-quality, uncompressed audio data. It is widely supported on Mac systems and is popular among audio professionals for its fidelity.

CAF (Core Audio Format) is another audio file format developed by Apple. It supports a wider range of audio codecs, metadata, and very large file sizes, making it suitable for professional audio production and editing on macOS systems.

Why convert AIFF to CAF?

Converting AIFF to CAF is beneficial when you need advanced features such as support for longer recordings, more metadata, or compatibility with modern Apple audio applications. CAF files are also more efficient for certain workflows in music production and sound design.

How to convert AIFF to CAF

The most reliable way to convert AIFF to CAF is by using Apple’s Logic Pro or GarageBand. For a free and cross-platform solution, Audacity with the appropriate plugins can also perform this conversion. On the command line, ffmpeg is a powerful tool for batch conversions.

Step-by-step conversion using Audacity

1. Open Audacity and go to File → Open to load your AIFF file.
2. Edit or process the audio as needed.
3. Go to File → Export → Export Audio.
4. In the Save as type dropdown, select CAF (Apple Core Audio File).
5. Click Save and adjust export settings if necessary.

Best software for AIFF to CAF conversion

• Audacity (Free, Windows/Mac/Linux) – Requires FFmpeg library for CAF export.
• Logic Pro (macOS) – Professional audio editing and conversion.
• ffmpeg (Free, command line) – For advanced users and batch processing.

Converting with ffmpeg (command line)

ffmpeg -i input.aiff output.caf

This command quickly converts an AIFF file to CAF format. Make sure ffmpeg is installed on your system.

Conclusion

Converting AIFF to CAF is straightforward with the right tools. For most users, Audacity offers a free and user-friendly solution, while professionals may prefer Logic Pro for more advanced workflows.