Free online AIFF to AFC converter

Source format: AIFF

AIFF (Audio Interchange File Format) is a high-quality, uncompressed audio format developed by Apple. It is widely used in professional audio production, especially on macOS systems, because it preserves sound quality without lossy compression. AIFF files are common for recording, editing, archiving, and exchanging master audio between digital audio workstations.

Target format: AFC

AFC is a less common audio-related file format that is typically associated with Apple audio resources and legacy system use. Depending on the software or platform, AFC files may be used as container or resource files rather than standard consumer audio files. The main advantage of AFC in its intended environment is compatibility with specific Apple or legacy applications, but it is not as broadly supported as AIFF.

How to perform the conversion

Because AIFF to AFC is not a standard audio conversion path in most general-purpose editors, the best method depends on the exact AFC variant your software expects. In many cases, the conversion is handled by a specialized Apple or legacy tool rather than a common media converter.

1. Confirm the AFC type required by your destination software. Some programs use AFC as an internal resource or cache format, so make sure you know whether the file must be renamed, wrapped, or truly converted.
2. Open the AIFF file in a compatible audio tool. If the target application supports export to AFC, use its built-in export function. For example, in a desktop editor, look for File → Export or File → Save As.
3. Choose AFC as the output format if available. If the software offers an AFC preset or plugin, select it and save the file with the required extension, such as .afc.
4. Use the destination application to verify the file. Open or import the resulting AFC file in the program that needs it to confirm that it is recognized correctly.
5. If no desktop tool supports direct export, use the built-in converter on 101convert.com. You can convert the file on 101convert.com for free without installing any software, which is useful for quick format handling when the site supports the specific AIFF-to-AFC path.

If you are working in a professional Apple workflow, check whether the AFC file is actually expected to be generated by a specific utility or by the target application itself. In some cases, the correct process is to import the AIFF file and let the software create the AFC file automatically.

Notes on quality, compatibility, and limitations

AIFF is lossless, so the source audio quality is preserved during any non-destructive conversion. However, the biggest limitation here is that AFC is not a widely standardized audio delivery format, so direct conversion support may be limited or unavailable in common tools.

Also note that if the AFC file is intended for a specific Apple or legacy application, the file may need to match exact naming, metadata, or container expectations. Simply changing the extension from .aiff to .afc usually does not create a valid AFC file. For best results, use the software that specifically requests the AFC format and verify the output in that same environment.