brokenlibrarian

SimpleJPEGQuality is a plugin that adds a JPEG quality setting to the WordPress media settings page, which is used to determine the image quality of thumbnails, post images, headers, and other images which have been uploaded and then resized by WordPress. It will have no effect on the quality of the original uploaded images, or that of any images that were resized before this plugin was installed.
This plugin will also affect the quality level of JPEGs resized by plugins that use the image functions of WordPress (such as Auto Post Thumbnail). Image plugins that use their own code (such as Lazyest Gallery, Ungallery, and Post Thumbnail Editor) will not be affected.
The plugin has no extra requirements and has been tested with the twentyten through twentyfourteen themes.
Development on this plugin has halted. Other developers should feel free to use the Apache-licensed code for their own projects.
http://brokenlibrarian.org/tinyplugins/ 
brokenlibrarian@gmail.com 
09/28/14
<h3>License</h3>
Copyright 2014 Christian Wagner
Licensed under the Apache License, Version 2.0 (the “License”); 
 you may not use this file except in compliance with the License. 
 You may obtain a copy of the License at
<pre><code> http://www.apache.org/licenses/LICENSE-2.0
</code></pre>
Unless required by applicable law or agreed to in writing, software 
 distributed under the License is distributed on an “AS IS” BASIS, 
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
 See the License for the specific language governing permissions and 
 limitations under the License.

SimpleJPEGQuality

SimpleJPEGQuality is a plugin that adds a JPEG quality setting to the WordPress media settings page, which is used to determine the image quality of t …

Muhammad Umer Shahzad

Smart Image Optimizer is a powerful and lightweight plugin that:
<ul>
<li>Compresses uploaded images to reduce file size.</li>
<li>Converts images into modern formats like JPEG, PNG, AVIF, WebP, and more.</li>
<li>Retains visual quality using lossless or smart lossy compression.</li>
<li>Enables lazy loading to improve page speed.</li>
<li>Automatically optimizes images during upload.</li>
<li>Allows bulk optimization of existing media.</li>
</ul>
This plugin is ideal for bloggers, photographers, eCommerce stores, and all WordPress users aiming to improve performance and user experience.
<h3>Features</h3>
<ul>
<li>✅ Lossless and lossy compression options</li>
<li>✅ Format conversion: PNG ↔ JPEG, AVIF, WebP</li>
<li>✅ Automatic optimization on upload</li>
<li>✅ Bulk optimization of media library</li>
<li>✅ Lazy load for all images</li>
<li>✅ No third-party API required (works locally)</li>
</ul>
<h3>License</h3>
Smart Image Optimizer is open-source software licensed under the <a href="https://www.gnu.org/licenses/gpl-2.0.html" rel="nofollow ugc">GPLv2 or later</a>.

Smart Image Optimizer

Smart Image Optimizer compresses image sizes and converts them to modern formats like JPEG, PNG, AVIF, and more — for faster websites and better SEO.

SimpleJPEGQuality vs Smart Image Optimizer