![]() Combine or generalize local palette information in individual Graphic Image Data sections into the Global Color Table.Ĩ. Remove metadata, or unused palette entries from a GIF and write a better optimized GIF.Ħ. It may give huge file size reduction in some cases when images have large, static areas.ĥ. The results variate a lot on the nature of the image. Optimize Transparency – This option makes some unchanging parts of the frames transparent. Useful for gifs with a high frame rate.Ĥ. Remove every n frame – The frame drop option can remove every second, third, or fourth frame to reduce frame rate and, therefore, file size. ![]() It can reduce animated GIF file size by 30%-50% at a cost of some dithering/noise.ģ. Lossy GIF compression – Compresses GIF with Lossy GIF encoder which implements lossy LZW compression. Each gif frame can use up to 256 unique colors, and by reducing this number, you can achieve a smaller file size.Ģ. Color reduction – shrink gif file size by reducing the number of colors in each frame. This means the median savings of converting all GIFs to PNGs is 21.07%. The median size of the result PNG images was 5546 bytes. The median size of the GIF images was 6900 bytes. Comments, metadata, embedded thumbnails, Application Extensions, and other non-graphical information present in a GIF are not transferred over into the resulting PNG, shredding all the excessive data, resulting in a lighter image. Programs that convert from a GIF image to a PNG image focus only on on converting graphical data.
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