FLAC is a free, open-source audio format known for its lossless compression and high-quality sound. It preserves all the original audio data without any loss of quality. FLAC is ideal for audiophiles who require high-quality audio files for listening, archiving, and editing, without taking up as much storage space as uncompressed formats.
AIFF is an uncompressed audio format developed by Apple. It is known for its high audio quality and is commonly used in professional audio recording and editing. AIFF files retain every detail of the original sound, making them ideal for use in music production and sound engineering.