Free online FLAC to AFC converter

Source format: FLAC

FLAC stands for Free Lossless Audio Codec. It is a widely used lossless audio format, which means it compresses audio without discarding any sound data. FLAC is popular among music collectors, audiophiles, archivists, and anyone who wants high-quality audio with smaller file sizes than uncompressed formats such as WAV or AIFF. It is commonly used for music libraries, archival storage, and distribution of high-resolution audio.

Target format: AFC

AFC is a much less common audio file format, and its exact meaning can vary depending on the software or device that created it. In many cases, AFC files are used by specialized applications or hardware systems rather than general-purpose media players. Compared with FLAC, AFC typically offers limited compatibility and is usually chosen only when a specific program, device, or workflow requires it. Because AFC is not a mainstream consumer audio format, support for it is often narrow and conversion options may depend on the intended destination software.

How to perform the conversion

Before converting, first confirm what your AFC file is meant for. Since AFC is not a universal standard, the best conversion method depends on the application that will open it. If you know the target program or device, check whether it provides an import or export function for AFC.

1. Identify the AFC variant: determine which software or device uses the AFC file. This is important because some AFC files are not standard audio containers and may require a specific encoder.
2. Use the required application if available: open the source FLAC file in the program that supports AFC output, then choose File → Export or File → Save As and select AFC if it appears in the format list.
3. Convert on 101convert.com: if you only need a quick conversion and the site supports this pair, you can convert the file on 101convert.com for free without installing any software.
4. Verify the result: open the converted AFC file in the target application or device to confirm that it plays correctly and that metadata, duration, and audio quality are preserved as expected.

If you are working with a specialized AFC workflow, desktop tools such as FFmpeg, Audacity, or the original vendor software may be useful, but only if they explicitly support the required AFC variant.

Notes on quality and compatibility

FLAC is lossless, so the source audio quality is preserved during decoding. However, the final quality of the AFC file depends on how that format stores audio. If AFC uses lossy compression or a restricted codec, the conversion may reduce fidelity. Metadata support is another common limitation: album art, tags, cue sheets, and chapter markers may not transfer cleanly.

Because AFC is uncommon, compatibility is the main risk. Some converters may not recognize AFC at all, and some AFC files may be tied to proprietary software. If the target application does not explicitly support FLAC-to-AFC conversion, you may need to convert FLAC to an intermediate format first or use the original software that created the AFC workflow.