1OptiPNG is a PNG optimizer that recompresses image files to a smaller
2size, without losing any information. This program also converts
3external formats (BMP, GIF, PNM; TIFF support is coming up) to optimized
4PNG, and performs PNG integrity checks and corrections.
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6The idea has been inspired from pngcrush, and is explained in detail in
7the PNG-Tech article "A guide to PNG optimization". The implementation
8is carried forward in OptiPNG, which offers a faster execution per
9trial, and a wider search space.
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