Freely Distributable
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Netpbm is the classic image manipulation/conversion graphics utilities.




Netpbm software is a toolkit for manipulation of graphic images, including conversion of images between a variety of different formats. There are over 220 separate tools in the package including converters for about 100 graphics formats.

Examples of the sort of image manipulation we're talking about are:

- Shrinking an image by 10%;
- Cutting the top half off of an image;
- Making a mirror image;
- Creating a sequence of images that fade from one image to another;

The package is intended to be portable to many platforms. It has, at least at one time, been tested under various Unix-based systems, Windows, Mac OS X, VMS and Amiga OS. The maintainer uses and builds it on a platform that consists (in relevant part) mainly of GNU
software (you probably know this kind of system by the name "Linux").

The goal of Netpbm is to be a single source for all the primitive graphics utilities, especially converters, one might need. So if you know of some freely redistributable software in this vein which is not in the package yet, you should bring it to the attention of the Netpbm
maintainer so it can be included in the next release.

Netpbm does not contain interactive tools and doesn't have a graphical

Netpbm replaces the widely spread Pbmplus package (last released December 10, 1991). A lot of improvements and additions have been made. After the latest release of Pbmplus, a lot of additional filters began circulating on the net, which was a fairly novel state of affairs at the time. The aim of Netpbm was to collect these and to turn them into a package, hence the name "Netpbm." This work has been performed by programmers all over the world. If _you_ have some code to add, please contact the Netpbm maintainer.
Last updated on October 19th, 2006

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