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Guetzli

Guetzli is a JPEG encoder that aims to improve the web experience through highly optimized image compression that still yields great image quality. The encoder requires substantially more time than libjpeg but the results have been considered much more impressive in human rated...

Example with original on the left, libjpeg in the middle and Guetzli on the right

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  • Mac
  • Windows
  • Linux
Example with original on the left, libjpeg in the middle and Guetzli on the right
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GitHub repository

  •  12,902 Stars
  •  995 Forks
  •  125 Open Issues
  •   Updated  (Archived)
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Our users have written 1 comments and reviews about Guetzli, and it has gotten 7 likes

Guetzli was added to AlternativeTo by David on and this page was last updated .

Comments and Reviews

   
Top Negative Comment
ab1
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Pretty bad results.

https://static.web.id/cat.jpg guetzli --nomemlimit ./cat.jpg ./cat-guetzli.jpg From 79,6 kB to 73,8 kB.

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What is Guetzli?

Guetzli is a JPEG encoder that aims to improve the web experience through highly optimized image compression that still yields great image quality. The encoder requires substantially more time than libjpeg but the results have been considered much more impressive in human rated comparisons.

Compressed mages are typically 20-30% smaller than images of equivalent quality generated by libjpeg. Guetzli generates only sequential (nonprogressive) JPEGs due to faster decompression speeds they offer.