🔧 Fixing Large Artwork in FLAC & WAV Files
Windows Tutorial — Advanced Audio Tools
📜 Contents
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⚙️ Why Cleanup Matters
Oversized embedded artwork can make FLAC or WAV files larger and slower. Optimizing artwork keeps playback smooth and file sizes efficient.
🧰 Tools
🎨 Artwork Size
Use JPG images (1000×1000 px) under 500 KB. Convert PNG to JPG for smaller tags and cleaner metadata.
💽 Batch FLAC Cleanup
metaflac --remove --block-type=PICTURE *.flac
Then re-embed optimized cover art:
metaflac --import-picture-from=cover.jpg track01.flac
🎵 WAV Notes
WAV tags vary by player. Keep cover.jpg in the same folder or use Kid3 and TagScanner for tagging.
🪄 Workflow
- Backup your album folder.
- Run metaflac cleanup.
- Resize artwork using JPEG Resizer.
- Embed via Mp3tag → Save.
- Test on mobile and desktop players.
💡 Tips
- FLAC → 1000×1000 px ≤ 500 KB
- WAV → 800×800 px ≤ 400 KB
- Use folder.jpg for compatibility with car stereos and older devices.