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How to make photos larger or smaller with free app Paint.NET

Updated on March 5, 2015

Paint.NET versus Paint (Microsoft)

More Options for Changing Size

Paint.NET is free software which was developed by college students about a decade ago. Do not confuse it with the program that is offered by Microsoft Windows. That one is called Paint. Just Paint. Some of the terminology between the two is the same and they are similar. However, Paint.NET gives more options in manipulating photos and with how to structure the re-sizing of a photo.

Cropped Photos

Final result after cropping and changing size with Paint.Net software.
Final result after cropping and changing size with Paint.Net software. | Source
The "before" photo with one window and a part of another window.
The "before" photo with one window and a part of another window. | Source

The Menu Choices

Open the folder or file with the picture in it. Choose one photo and RIGHT-CLICK on it. This gives a drop-down menu. Choose "Open with..." (left-click) and you will get another drop-down menu. Choose "Paint.NET" (left-click).

The photo appears in a new window which is the Paint.NET screen. Across the top menu bar, click on "Image." Drop-down menu -> choose "Resize." This gives you a dropped box.

3 Ways

You now have essentially 3 ways to define your size change.

1.     1.   By absolute percentage on height and width simultaneously.

2.     2.  By print size in either inches or centimeters

3.      3.  By pixel size.  (A pixel is a tiny unit of measurement about the size of a dot.)

It seems that one has many choices which will be accepted by the software – whereas the other program had more limits.  It is like analog versus digital.  When you have finished indicating the amount of enlargement or reduction, click "OK."

Save your work

That's almost it. You need to save your hard work, either replacing the original file or making a new name so that you have both versions of the picture. Across the top menu bar, left-click on "File." This gives a drop-down menu.

To do replacing, click on "Save." Click "OK."

To have both versions, click on "Save as..." You will be given a box with a horizontal bar for the new name. Type it in and then click "OK."

Good luck.

Copyright 2011 Maren Morgan


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    • Maren Morgan M-T profile image

      Maren Elizabeth Morgan 6 years ago from Pennsylvania

      Hi RJ! Thanks for the comments. Yes, it is free. You can go to to download it.

    • Reynold Jay profile image

      Reynold Jay 6 years ago from Saginaw, Michigan

      I understand this. Is this a free program? I love the paint program that comes with Micrsoft up until I press the SAVE button and then the whole thing degrades horribly! I want something simple, but doesn't destroy all my hard work on SAVE. I enjoyed this very much. You have this laid out beautifully and it is easy to understand. Keep up the great HUBS. Up one and Useful. Hey! I'm now your fan! I am working a series of 5 novels Seeds from Heaven. I used it to produce the art for the cover and you can view it in my HUBS.