Google Finds A Way To Shrink JPEGs By 35 Percent

Google Finds A Way To Shrink JPEGs By 35 Percent
Mizter_x94 / Pixabay

Recently, Gmail increased the size of attachments its users could receive, and now Google has created an encoder that can shrink the size of JPEGs by 35%. The encoder basically compresses images at a higher level of quality and reduces the amount of time it takes to open them. The new JPEG encoder is called Guetzli, and the company has made it open source and available in the Github repository so anyone can use it.

Google invents new JPEG encoder

According to Ars Technica, the encoder technically works by improving the quality of the JPEG images while keeping the size of the file constant. The website notes that one big distinction is that unlike some other image compression techniques like WebP and WebM, these new JPEGs are compatible with the current JPEG standard and also current devices, browsers and photo editing apps.

Although there are several different ways to adjust the size and quality of a JPEG, Google’s Guetzli (German for “cookie”) is all about the “quantization stage of compression.” This is the process that transforms a lot of the hard-to-compress “disordered data” into easy-to-compress “ordered data.” The problem with standard JPEG encoding is that it usually decreases the quality of the images.

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