Note: If you would like to not only resize, but also compress your photos there are some free online tools like https://www.jpeg.io/ and https://compressor.io/ that’ll help resize and optimize your images.



Here we have described 2 methods for resizing photos in Windows 10:


If you need to do basic image editing as well as resizing you will need to use the Paint method, as the bulk method only allows resizing.



Resizing Photos in Windows IN BULK

This is achieved by selecting to send all files via email. This process automatically resizes the files.

In File Explorer select all the files you want to resize then right-click on the selected files and choose Send to > Mail recipient:



When the 'Attach Files' dialogue box opens select the size you want for all images. Best choices for speedy uploads are 'Small' and 'Smallest':


After selecting the size press the 'Attach' button:



Your mail application will open. At WISS this is Outlook. The new email will have all of the resized images attached:



You now need to save the attachments from the email to your harddrive, Right-click on any of the attachment icons and click 'Select All':



Once you see all the attachments highlighted, click "Save As':


Browse to the location where you want to save all the resized images and click 'OK':



You should now see all your resized jpeg images in your selected folder.




Resize Individual Photos with Windows Paint

With Paint, as well as resizing you can do basic image editing.


Open the 'Paint' app by clicking the Windows button and browsing the programs list or just type 'paint' into the search box:




Select the photo to open:


On The 'Home' tab click the 'Resize' tool from the toolbar:



Note the size of the photo on the bottom info bar. Try to reduce the photo until it is max 800 pixels in either width or height (maintain aspect ration though). The simplest way to do that is by selecting to resize by pixels and entering the value 800 for the LONGEST value :



Press 'ok' and the size will change. You can see the new size on the bottom info bar:


Finally, save the image (File > Save as). The best choice for photos is usually jpeg: