How to Resize Multiple Images in One Step (Windows)

This guide will show you how to resize a group of images all at the same time (called “batch resizing”) using completely free software for Windows.

  1. To get started, download and install the free Fast Image Resizer for Windows (it works in Windows XP all the way through to Windows 10) . It’s a very small app and the installation will take less than a minute. Once it’s installed, launch it from your Start menu. Click the Options button to set your preferences.
  2. an arrow pointing to an Options button

  3. From here you can choose the file type you want the resized images to be (JPG, BMP or PNG), increase or decrease the quality of those resized images and more. You can also specify how you want the files saved – in the same folder as the originals, in a subfolder of the images (which is the default), or in a specific folder of your choice. Review the other options and make changes as you see fit, then click the OK button when you’re done.
  4. the Options available for the Fast Image Resizer app for Windows

  5. Now select the Resolution size for the files you’re going to resize. Finally, drag some image files from Windows Explorer to the Drop files here area of Fast Image Resizer. NOTE: if the resolution you want to resize your images to isn’t listed, jump down to step #6.
  6. a Windows Explorer window with images selected to be dragged onto the Fast Image Resizer app

  7. And your files will be resized, which will only take a few moments.
  8. resize images in Windows in action

  9. Once it’s done, you’ll get a little summary of how long it took. Locate the new files and check to make sure they’re everything you had specified etc.
  10. Fast Image Resizer completed process

  11. To add a custom resolution size for your images, click the ‘drop-down’ menu next to Resolution: and select Edit List… from the list.
  12. adding a custom resize resolution for images in Windows

  13. Enter the resolution size you want to use in the format of widthxheight and then click the Add button. Once it’s added, that resolution will be available for you to use going forward.
  14. editing the resolutions available to use in Fast Image Resizer

Now you can batch resize images in Windows! If you ever need to do the same thing in macOS, we’ve got a guide for that too!


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23 thoughts on “How to Resize Multiple Images in One Step (Windows)”

  1. Great tool….very fast and simple for resizing a very large number of pics. just drag and drop and its resized.

  2. Thank you so much for making this so easy to use! You just saved me a load of time. I highly recommend this, it works great!

  3. WOW! This program is awesome. Just resized 233 pictures in under 1 minute. Super easy to use. Life saver!

  4. Finally, this could help me in resizing my images in just one process. I find it hard to resize them all at once using Photoshop.

  5. Just so so easy to use. Works on both my XP and Win7 systems. Great example of what can be achieved by keeping a program simple for the user.

  6. Very nice program, simple and fast, it resized all my photos (portrait and landscape) in several sizes with no problems.
    Good work!

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