All files were created lossless.

16 MiB TIFF → 2.7 MiB AVIF

• WebP: convert FILE_0009_BEST.tif -define webp:lossless=true FILE_0009_BEST.webp
• JPEG2000: opj2_compress -i FILE_0009_BEST.tif -o FILE_0009_BEST.jp2
• PNG: convert FILE_0009_BEST.tif FILE_0009_BEST.png
• AVIF: go-avif --lossless -e FILE_0009_BEST.png -o FILE_0009_BEST.avif