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optipng

advanced PNG (Portable Network Graphics) optimizer

adv. help
adv. help
from version 0.7.5-1

Description

OptiPNG is a PNG optimizer that recompresses the image files to a smaller size. It losslessly reduces the bit depth, the color type and the color palette of the image, runs a suite of compression methods and strategies, and selects the compression parameters that yield the smallest output file. It also recognizes several external file formats like BMP, GIF, TIFF and PNM (PBM, PGM, PPM).

Homepage

http://optipng.sourceforge.net/


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