How to resize multiple images simultaneously in batch without online programs

How to resize multiple images at the same time

  • The first thing we will do is enter the Bulk Resize site. We can do this from any browser.
  • So, we will press where it says " Choose images «.
  • A window will open in which we can choose all the images we want to resize.
  • Here you can choose up to 150 images to change their size.
  • Once you have selected the images you will see that a blue box appears with some options:
  • Ladder: used to resize the image size in percentage.
  • File size: you can choose the maximum weight that the files will weigh. Ideal for reducing their weight. Keep in mind that if the image is too large and you add too little weight, the quality will be poor.
  • Exact dimensions: You can choose the picture size, it should be consistent with the size.
  • Width and height: to choose the size
  • After that we will simply have to click on » Change the boot size And the process will begin.
  • The process is quite fast. However, depending on the number of images and their quality, it may take some time.
  • Once you click on the button, all the photos or images will be converted and at the end a window will open with the file that we need to download, which contains all the images transformed into .ZIP format.

This file must be unzipped on your computer. For this you can use WinRAR, a program that, if you don't have it installed, you should definitely have it.






How to reduce the size of images in batches

As you can see, this is really very easy to do and it shouldn't take a long time. Remember that the limit is 150 images per batch. This is a considerable amount considering that it is a website, we will not have to download anything.



In case you want to download a reliable program to resize many images at the same time, even thousands. So we recommend that you try Arles Web Page Creator. It is a program that is used to create image galleries in HTML and PHP.

How to resize multiple images simultaneously in batch without online programs


Nowadays it is a fairly basic program that has lost a lot of popularity thanks to dynamic websites running CMS with the WordPress program. However, to resize thousands of images, insert a watermark, etc. It is still one of the best.


Plus, it's completely free so you can use it without any limitation. In this case you can resize not only thousands and thousands of images in minutes. But you can also add a watermark in text or logo format.


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