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  1. Already gives examples.

    ImageConverter Plus V9
    1920x1080 File JPG RGB24 i444 progressive 100% qualiti --> file size 2.341.794 {lossy}
    Edit: is JPEG {lossless progressive RGB24 but don't compatible}
    Code:
    ffmpeg.exe -y -i "input_bgr24.bmp" -s 1920x1080 -r 25000/1000 -f image2 -compression_level 0 -format j2k -c:v libopenjpeg -frames:v 1 -pix_fmt rgb24 "rgb24_qp100.j2k"
    1920x1080 File J2K RGB24 i444 progressive 100% qualiti --> file size 1.953.048 {lossless}
    https://compressor.io/compress
    1920x1080 File SuperPNG RGB24 i444 compression level 9 --> file size 1.882.378 {lossless}
    Code:
    cwebp.exe -q 100 -lossless -noalpha -m 6 "input_bgr24.bmp" -o "x265_444p10le.webp"
    1920x1080 File WebP RGB24 i444 progressive 100% qualiti--> file size 1.561.978 {lossless} (RGB24)
    Code:
    bpgenc.exe -v -q 0 -lossless -f 444 -c rgb -b 8 -m 9 "input_rgb24.png" -o "rgb24_qp100.bpg"
    1920x1080 File BPG RGB24 i444 progressive 100% qualiti --> file size 1.501.444 {lossless}
    --------------------------------------------------------------------------------------------------------
    ImageConverter Plus V9
    1920x1080 File JPG RGB24 i444 progressive 95% qualiti --> file size 970.601 {lossy}
    Code:
    ffmpeg.exe -y -i "input_bgr24.bmp" -s 1920x1080 -r 25000/1000 -f image2 -compression_level 5 -format j2k -c:v libopenjpeg -frames:v 1 -pix_fmt rgb24 "rgb24_qp100.j2k"
    1920x1080 File J2K RGB24 i444 progressive 95% qualiti --> file size 622.066 {lossy}
    Code:
    cwebp.exe -q 95 -noalpha -m 6 "input_bgr24.bmp" -o "rgb24_qp95.webp"
    1920x1080 File WebP(VP8) RGB24 i444 progressive 95% qualiti --> file size 367.002 {lossy} (YUV)
    --------------------------------------------------------------------------------------------------------
    http://tinypng.com/
    1920x1080 File CompressPNG 8bit compression level 9 --> file size 694.861 {very lossy}
    Last edited by Jamaika; 27th Jul 2015 at 00:05.
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