OptiPNG is a PNG optimizer that recompresses the image files to a smaller size without losing any data. It works in a manner similar to pngcrush, but it has a wider automatic search space (leading to possibly a better compression), and it runs faster.
| Tags | multimedia Graphics Graphics Conversion |
|---|---|
| Licenses | BSD Revised zlib/libpng |
| Operating Systems | Windows Windows POSIX |
Recent releases


Changes: A bug was fixed in conversion of bKGD information during rgb-to-palette reductions. Some other bugs were fixed too.


Changes: A reduction problem that caused an assertion failure has been fixed.


Changes: Support for updating sBIT during reductions, and a fix for a bug in the reduction of the alpha channel.