Wordpress degrades the image quality. How to do, what quality was the original?

Hello.
Fill a directory on your wordpress site. Fill in the picture and it gets blurry.
Here is the original photo 59d251b3f091a876347213.jpeg

but as it turns out on the website - satonindesign.tk/shop/wp-content/uploads/2017/06/2...

-((
June 14th 19 at 20:44
1 answer
June 14th 19 at 20:46
add_filter('jpeg_quality', function($arg){return 100;});

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