Free Batch PNG Image Optimizer Software To Reduce Size Of PNG Files

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Voralent PNGmini is a handy free Batch PNG image optimizer software to shrink the size of PNG images without affecting their quality. By using this software you can easily decrease the file size of PNG image files. So, you can easily share or upload those PNG images in social networking sites and email and other internet tools. This software works for reducing the size of PNG images only, and comes from the maker of JPGMini (that reduces size of JPG images).

The interface of PNGmini is user-friendly. To optimize PNG images in bulk, this is a great software. It’s main interface is shown below:

PNGmini main interface

How to shrink PNG files with PNG Image Optimizer

You need to install this software to optimize PNG files. You can use the link available at the end of this article to download it. This is a lightweight application, less than 2.6 Mb in size and  requires very less system resources.

You can add photos in this application by drag and drop. Then click on the “Optimize” button. And it will shrink the PNG files. It displays the photos in a list.

PNGMINI adding pictures

After optimizing, it shows you the name, current size, optimized size, status and path of the pictures. The final output can be seen here in the below screenshot

PNGmini : in action

PNGmini lets you customize the optimization level. It shows a slider in which you can choose speed of optimization, which in turn dictates level of optimization. Of course, slower the optimization, more would be the reduction in file size.

Before starting the process of reducing file size, it gives you the option of backing up PNG files. It lets you create  the backup files in the same location.

PNGmini optimizaton level

Also checkout a few other bulk PNG compressors we reviewed earlier.

Key Features of Voralent PNGmini Image Optimizer:

  • A Handy program to shrink the size of your photos.
  • It is a freeware.
  • It is a lightweight application.
  • Simple and easy installation process.
  • An Intuitive and attractive user interface.
  • Very east to use.
  • Requires minimum system resources 


PNGmini is a good software if you want to shrink size of PNG images, without affecting their quality. If you are looking to reduce size of PNG images, do give it a try.

Get PNGMini here.

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Works With: Windows
Free/Paid: Free

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