JPG files allow compression of images into light weights, but reduce image quality in the process.
In this article, we will be reducing image size without losing quality

JPG files are among the most popular across the Internet. We all make daily use of these files. Their great advantage is the option to send a lightweight image file of reasonable quality and high speed. But with the advantage comes also the downside. JPG image compression also lowers image quality. Any extra saving as JPG spoils the image further.

Minimal Image Processing

If we have a picture and all we want to do is cut the picture, we can open a program like Photoshop , make the cut and then save it. We can save the image in a technology that does not compress and spoil it again, but then we get a heavy file that is less suitable for use on the Internet. We can of course save it again as a JPG, but then we will have to compress again and further spoil the original picture we received.

When you save to JPG it is possible to set the quality of the retention so that you will almost not lose quality, but the result will be a file, which in many cases is much larger than the source file – although we cut it and contain less information than the original image.
We can also set a lower quality for receiving a small file, but then we will spoil the image quality further. This is often the case in which a source image is saved as a JPG and it goes through large number of people online. Anyone who makes a change in it and keeps it compresses it again and again and each time it takes more and more of its quality.

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What should we do then?

 

There are many programs on the internet that allow you to make non-destructive changes to JPG image files. In this tutorial we will focus on one software called XNview . It is a small, compact program that can be downloaded and used for free for personal and educational purposes. In the minimal version it weighs less than 5 megabytes. You can download it as a Zip file and run it directly without even installing it on your computer.

After downloading and running the software, we can view the image files in the computer folders. The software supports more than 500 different types of image files .

  • If there is a JPG file we want to cut, we will double click on it and it will open big.
  • With the mouse, we mark the crop area.
  • On the Tools menu, click JPEG lossless transformation – then Crop.
  • We receive a message that a single number of additional pixels may also be truncated from the image.
  • Press OK and accept our cutout without compressing and spoiling it again.
  • The software should also leave a backup file of the original image before cutting so that we can return to it if necessary.
  • In the same menu – Jpeg Lossless transformation – you can also rotate images and make them longitudinal or transverse without damaging and repressing the image.

reducing image size without losing quality

I hope this was helpful to you and you found what you were looking for,
If you have any questions and comments please leave them below ,
have a Great Day !
Alex


Alex

Software Engineer and IT specialist

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