Support » Plugin: EWWW Image Optimizer » .png image quality on resize

  • Resolved Jek-fdrv


    Hello every one!
    I cant found in internet the best way to stop wp low down my images quality on resize.
    I try to upload image with 2000 pixel in height, and when I check my attachment with 500 px height size (after wp resize with plugin) it is low quality and looks blurry, I try to use this hook

    add_filter('jpeg_quality', function($arg){
       return 100;

    but it doesnt do anything with png images.

    If there any way just disable all image quality transformation.



    So i want it looks same way how I do this via photoshop.
    Seems this plugin just affected on simple upload but not on resize.
    I have tried switch some Optimization Level and disable it at all, but it doesnt do any affect on resized image. Same bad quality for resize 500px image – 99 kbts when it should be 154 kbts. 30% low down quality, wow…

    May be there any way how to manual upload different sizes?
    Right now if Just make new attaches it will make for each attachment a lot of diff sizes, and it bad for my server SDD space. =)

    Thank you very much for any help me with.
    I really appreciate it!

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  • Here the test:

    • This reply was modified 3 years, 9 months ago by Jek-fdrv.
    • This reply was modified 3 years, 9 months ago by Jek-fdrv.


    Plugin Author nosilver4u


    Can you provide a link to the original image please?

    And on the topic of excess image sizes, you can disable any of the registered sizes with EWWW’s advanced settings. WP has 4 by default, but I’ve seen themes and plugins combine to total 20+ before, not fun…

Viewing 3 replies - 1 through 3 (of 3 total)
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