How to easily combine images for free on Windows [Tip]

Paint.Net is a freeware photography package, compatible with Windows XP, Vista, 7, 8, and 8.1 platforms, packed full of editing options for your pictures. With its layer options you can combine, or merge, two images into one. This is how you can combine images with Paint.Net; read on to learn more.

NOTE: This guide was written using Paint.Net 3.5 You can do the same thing with later versions of Paint.Net but the settings/options may be located in a different place due to user interface changes.

First, open one image by selecting File > Open, select Layers and click on the Add New Layer option. Then you should select Import From File to open an image for the second layer. Choose a picture that can be effectively combined with the one you opened from the File menu. 3.5

Open the Layers window if it isn’t already open. Click Windows > Layers to open the small window in the shot below. It shows you thumbnails of your open layers, which you can select to switch between them.

Paint.NET 3.52

Select the second image layer from the Layers window. Then click on the Properties icon at the bottom right of the Layers window to open the window below. Alternatively, press the F4 shortcut key to open that window.

Paint.Net 3.53

Make sure that Visible check box is selected. Note that the Opacity bar is at 0. Drag that bar further to the right to increase the opacity. Then the picture on the second layer should become more visible as in the shot below.

Paint.NET 3.54

Click OK to close the window, and you have effectively merged two images together! There are also various blending mode options that you can select from the Layer Properties window. Click on the Mode drop-down list to open the options as below.

Paint.NET 3.55

Select some of those options to experiment with other blending modes. You can also merge further images into the picture by clicking the Add New Layer and Import From File options. However, merging too many images will reduce the clarity of the layers.

This is an effective imaging editing trick if the two images in the layers blend together. You can also use this method to combine any number of images that you like — not just two. Enjoy!

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  • Karl K

    It would have been really handy, Matthew, if you had provided an easy-to-use link to download from Micro$oft….I guess it’s Google-time for me, but thanks for letting us all know about this resource!

  • Mr.Dave

    Nice explanation MatthewA! I’ve been using Paint.Net more and more, it’s much simpler than most of my paint programs and has many of the same capabilities. I highly recommend it! One thing it seems to be missing, which could help in merging pictures, is to create a “mask” for the area you want to show through. PhotoPlus from Serif does this, and lets you have gradients in the mask so you have a lot of control over how images are blended. Thing is, I don’t do it often enough to remember how it all works. Paint.Net has a limited depth so it either does what you want quickly or it doesn’t do it at all. And it only takes a few minutes of trial and error to get to that conclusion, not a half hour or more like some programs!