FLAC, or Free Lossless Audio Codec, is an audio format that compresses sound without losing any quality. This makes it a popular choice for audiophiles who want to preserve the original sound of their music while saving storage space. Unlike lossy formats like MP3, FLAC retains all the details of the audio, making it ideal for high-fidelity listening experiences. Developed in 2000, FLAC is an open-source format, meaning anyone can use it without licensing fees. It supports various platforms and devices, ensuring compatibility across different systems. Many music streaming services and players now support FLAC, allowing users to enjoy their favorite tracks in the best possible quality.