Gagan Deep Singh

Sometimes you may want the images on your blog/site to be pixel perfect, while sometimes you may want them to be compressed to save space on the server.
This plugin allows you to select the quality of the thumbnail images generated by WordPress, as easy as that. Just go to Media Settings page and modify the Image Quality setting.
Plugin only works for new uploads, but in case you want to modify the thumbnails generated earlier, you can either use
<a href="https://wordpress.org/plugins/regenerate-thumbnails/" rel="ugc">Regenerate Thumbnails</a>
or if you are familiar with WP-CLI, then you can use this command to regenerate
<pre><code>wp media regenerate
</code></pre>
P.S. It does not change the quality of the original image that you upload, 
but only changes the quality of the thumbnails WordPress generates from that image.

Image Quality

Lets you adjust the quality of image thumbnails that WordPress generates.

URBAN BASE

In WordPress 6.1, a WebP version is generated by default when an image is uploaded and displayed in the frontend.
The WebP format generally compresses the images well.
But in certain cases the WebP version can be larger than the original image.
If WebP causes problems on your website, you can disable this function here.

Disable WebP

A small plugin to disable the new WebP standard in the settings.

Image Quality vs Disable WebP