What is JPEG and Why should JPEG be Used?

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JPEG stands for “Joint Photographic Expert Group“. This is the standard image format for storing harmless and compressed image data. JPEG images have reasonable image quality despite a considerable reduction in file size. This particular compression feature allows JPEG files to be widely used on the Internet, computers, and mobile devices. 

JPEG image sharing is quick and efficient. Additionally, a large number of JPEG image files can be stored in minimal storage space. JPEG files contain high-quality image data with lossless compression. JPEG in Paint‌shop Pro is the most commonly used format for storing edited images.

“There are two main questions to ask yourself when you decide which image file format to use.”

First, what kind of film is this? Is it a simple picture of your dog or a detailed graphic with a professional purpose? Is it necessary to change or resize it from the current position?

Second, how do you plan to use this image? Will it be published on the company website? Or, is it for your use?

The answers to these questions will help you choose the right file type.

The JPG image file type, commonly pronounced J-peg, was developed in 1992 by the Joint Photographic Expert Group (JPEG). The group felt that large photographic files needed to be shared more easily.

Read also: How to Take Screenshot in Laptop or Computer?

Some quality is compromised when converting the image to JPG. The reason for this is compression lacy, which means that some unnecessary information is permanently deleted. A JPG, however, allows you to create smaller file sizes with PNG.

JPG should be used under any circumstances when a small file is required. Beyond initial savings, like JPGs, some tools allow you to compress the file further. This is useful for web images because of the smaller the size, the faster the page loads.

As broadband Internet connections become more universal, this is becoming less of an issue. However, those with slower internet connections or older, less powerful computers will thank you for this idea.

When you compare the image to JPG and PNG, you probably can’t tell the difference. So, if there is no apparent difference between the pictures, why not save everything as JPEG, and why not?

Answer: Image Compression.

Image compression is the process of reducing the file size of an image as much as possible without compromising the quality too much. In general, strong compression = small file size = poor image quality. Good image compression is about finding a good exchange between file size and quality.

It’s friendly and nice to see high-resolution images on your computer. The file is not compressed, and you can open it instantly as it is saved on your hard drive. If the same file is on the website, you need to download it. Even on fast connections, large image files can take several seconds to load. When it comes to website speed and conversion rates, you do not have many seconds …

The graph above shows that people will leave your website after waiting for a while. If you have immense (file size) images on a page, you will lose half of your visitors before they can see your content.

Image quality is almost the same, but the wrong image format (PNG, in this case) doubles the file size!

But we are not done yet. Even a file smaller than this is larger than 1 MB on the web. This is because these images are not compressed, and as a general rule, you should never use uncompressed pictures on the website.

Loading multiple, large, compressed images will slow down your pages to a full crawl and send your bounce rate through the ceiling. We have seen that this exact issue affects many websites that we have reviewed over the years.


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Kristen Brown

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