Image > Image Size
Do you mean Image Editing Software? I think Adobe Photoshop Elements 9 could help you. Below is the link:
In Photoshop go to Image > Image Size.
Open image in Photoshop then go to Image > Image Size.
Once in Adobe Photoshop, select image at the top of the page and then select image size. Now you can select the pixel dimensions. There will be a few windows/boxes that pop up. These will allow you to change the image resolution to 300 DPI.
Adobe PhotoShop is Avery competent image processing tool with advanced features.
click on brush on left side
Right click on the picture and select Open With.... and pick what you want to use.If you want to make a permanent change then right clickon the picture and select Get Info, then near the middle will be an option to Use this application to open ALL documents like this one.In the preference's in Photoshop should be an option to turn the Open with Photoshop on or off I would think?
The best way to decrease the resolution of digital artwork is to open it with Adobe Photoshop. Then go to the top of the screen and click Image > Image Size > and change the number in the box labeled "resolution." Be sure that "Resample Image" is checked so that it will discard the extra resolution, rather than reallocating it. Then Save As, and you're done.
Warping is a type of distortion that can be used to change the structure of the picture. You can move the pixels in the picture. Go to Filter, Distort, then Warp to use this tool.
In Photoshop you can easily go back, change what is drawn, recolor drawing, keep elements on separate layers and hide them, delete at any time ...
There are several : Photoshop,Corel Paint Shop Pro,Photoshop Elements which are commercial and some free like GIMP and Paint.net
You can import the picture into your computer, put it in powerpoint, and add effects to it