FLAC Audio Converter

This tool performs lossless transcoding of audio files to FLAC. It accepts common input formats such as WAV, AIFF, MP3, AAC, OGG, and FLAC, and outputs a single FLAC file. It preserves duration, channel layout, and existing tags where available, enabling archival-quality results without data loss. The core assumption is that the source audio is PCM or already encoded in a reversible format; the tool does not apply lossy processing, and it avoids re-encoding artifacts unless required for sample-rate or channel adjustments.\n\nCore workflow includes input validation, property detection (duration, sample rate, channels), and optional conversions to the target sample rate and channel configuration. The FLAC encoder uses a selectable compression level (0–8) that trades encoding speed for smaller file size, while keeping the original audio integrity intact. Metadata such as title, artist, album, track number, and comments are preserved when available and re-embedded in the FLAC Vorbis comments or similar tags. The process handles non-destructive operations, leaving the original file intact if re-run is needed.\n\nUse cases span music digitization, podcast archiving, post-production exports, and distribution where playback devices expect FLAC. Distinct value comes from explicit control over compression level, sample rate, and channel configuration, together with reliable metadata retention and robust error handling for corrupted or unsupported inputs. The tool adheres to FLAC specifications and standard PCM practices, enabling consistent results across platforms and workflows, and it works with storage and streaming setups that favor lossless formats for long-term accessibility.