Resizing images not just involves resizing the physical size (pixels), but the file size (KB) as well.
What we normally do is just drag the images around to resize it.
This only affects the physical size, but the file size remains the same.
If you want to resize the physical size as well as the file size of an image, then use a software like Irfanview.
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How to Install Irfanview to Your PC
This lesson will walk you through the process of installing Irfanview to your PC
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Download the setup.exe file
Go to your web browser. Type www.irfanview.com and hit Enter on your keyboard.
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This is the Homepage of Irfanview.
Click on Download
Click on "Download Now" from CNET
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Click on "Download Now" button
This will download the setup.exe file on your PC
Install Irfanview by running the setup.exe file
Press CTRL+J to see your downloads (Works for Chrome and Firefox), and double-click the setup.exe file to run it.
The setup wizard.
Click next, next, next till Finish.
Installation Successful!
Click on Done.
You'll be redirected to the FAQs page.
Bookmark this page for future reference.
You should see the Irfanview shortcut icon on your desktop.
How to Resize Images Using Irfanview
This lesson will show you how to use Irfanview to resize the physical size and file size of an image.
For this tutorial I have downloaded an image landscape.jpg in a folder on my desktop named Pictures.
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The Pictures folder on my desktop
The image file "landscape.jpg"
Note the physical size is width = 1,600 pixels, height = 1,000 pixels
Irfanview shortcut on my desktop
Double-click on the icon
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Right-click on File Menu and drag your mouse down to Open, then release.
Select the particular image you want to resize.
Highlight image (1), then click Open (2). Note the file size is 230.47 KB.
What we need to do is re-size the image and make it's physical size (pixels) and file size (KB) smaller.
File size of 100 KB max is recommended so that your web pages load faster.
Landscape image successfully loaded to Irfanview
Open the Resize/Resample control box.
Right-click on Image Menu (1), then drag your mouse down over to Resize/Resample and release.
The Resize/Resample options
Let's set the physical size.
Type 300 on the width. The Height will automatically adjust in proportion to the width (or vice versa).
Preserve Aspect Ratio
Tick the Preserve aspect ratio box, otherwise your images might look skewed.
Click on OK button
The image is now physically smaller
Save your new image.
Right-click File Menu (1), then drag you mouse down over to Save as option and release (2).
Rename your image then Save
I typed in "landscape smaller" (1), then clicked Save (2).
We now have the resized image alongside our original image.
We have successfully reduced the FILE SIZE down to 13.1 KB
We have successfully reduced the PHYSICAL SIZE down to 300 X 188 pixels
