PowerISO Tutorials: How To Compress ISO Image Files

PowerISO Tutorials-3: How To Compress ISO Images

Do you know about how to compress ISO images using PowerISO v5.9? The compression of ISO image files means reducing the file size of the images by some percent as compared to original one. We can easily compress data like videos, musics, photos etc using the File compression softwares such as 7Zip, WinZip, WinRAR etc. Bt in case of ISO images, you can't use the file compression softwares. You need an ISO image compression software. Here is one of the example using PowerISO software, which is one of the best ISO file handler and contains multifunction such as Mount images, ISO image creation, CD/DVD burning, Bootable USB or Bootable CD/DVD maker, USB Image Maker etc.  

Watch My Video Tutorial here
   

Let's see how to compress ISO image in our PowerISO tutorial series.

Step-1

First, You must open PowerISO software from your Desktop/start menu by double clicking on them. If you don't have it, Download PowerISO Setup. After opening, the user-interface look like the image as shown below. Credits: Tecappvault

Alternative ISO Software: Daemon Tools Lite

Step-2

Then, go to menu bar located just below the main header of powerISO user-interface and click on the "Tools". From the drag and drop menu select the "Compress" option , which present at the 13th position of drop menu. Click on it like the image shown below.

Tools --> Compress

Step-3

Then dialogue box will appear which is look like image below. The dialogue box contains two parts "Source file" and "Destination file". Source File: Source file means the original ISO image as you want to reduce the size. Select your original ISO file. Destination File: It means the you need to show where to save size reduced ISO image file in your computer or Laptop. Just enter a name under "file name" section and select format *.daa or all files, whatever you need at the end.

Select Source --> Set destination --> Advanced Properties

If you need better ISO image compression, "Advanced Properties" are much recommended. It will show in the Step-4.

Step-4

Advanced Properties look like this. Under advanced properties, you need to select "compression method", is important for advanced ISO compression. By default it will set as "Normal". You also have available compression methods are "Better" and "Best (Slowest)". You can either select the better or best option. If you select the it will slightly reduce and improved compression results by selecting the "Best" option. But the image compression will slowest as compared with Normal or Better compression methods.

Compression Methods --> better/Best(slowest)

Additional Features

You can apply additional features such as password protection and splitting files to your new compressed ISO images from the same interface. If you need to protect ISO by using password tick the "Password protection" and enter password before clicking OK button. Split to Multiple volumes will be very helpful, if you want to compress bigger files greater than 10 GB. It will very helpful to split into equal volumes according to our need.

Note:- If you need to compress ISO images only, no need to apply the additional features listed above.

Overall, PowerISO part-3, shows how to compress ISO image files with ease. Bigger size files are easily compressed using PowerISO. Compression method will little time consuming, if you select the "Best" compression method. Click here to get free windows pc softwares downloads

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