Compression and Optimization Tips
What is PNG?
PNG stands for Portable Network Graphics. It is a bitmapped image format that employs lossless data compression. Due to the bad quality of GIF, PNG was created to improve and replace upon it.
Advanced PNG Optimizer
OptiPNG is certified open-source software that recompresses image files to a smaller size, without losing any information. In another words, it is a PNG optimizer. This program is able performs PNG integrity check and corrections and able to converts to other external formats such as TIFF, BMP, GIF and PNM.
– Upgraded libpng to version 1.4.1-optipng
– Upgraded zlib to version 1.2.4-optipng
– Added the option -nx.
* Clarified the behavior of -nz and the relation between -nz and -o0.
– Added a filesystem check (resolving normalized paths, symlinks, etc.)
– Enabled automatic wildcard expansion (i.e. globbing) on Win64.
– Fixed a Unicode build issue on Windows.