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Raina Image Compression is a powerful WordPress plugin that automatically optimizes images during upload while giving full control over compression, output format, and metadata. It is designed for site owners who want fast-loading pages, SEO-friendly images, and a reliable system that prevents users from uploading huge, unoptimized files. 
The plugin works with the built-in GD library and intelligently handles JPG, PNG, and WebP formats. It can also convert non-transparent PNGs to JPG, achieving better compression without visible quality loss.
Ideal for multi-author sites or blogs managed by non-technical users, Raina Image Compression operates automatically in the background, optionally sends Telegram notifications, and keeps your image sizes under control.
<h4>Key Features</h4>
Smart Image Optimization 
– Automatically compresses JPG and PNG images. 
– Converts non-transparent PNGs to JPG for better performance.
Output Mode Selection (4 available modes) 
Choose how your images are generated after upload: 
– 1. JPG/PNG ONLY Compresses only JPG and PNG files. 
– 2. WEBP ONLY Creates only a WebP version. 
– 3. JPG/PNG PRIMARY + WEBP COPY Keeps the original JPG/PNG as the main file and creates a WebP copy in the media library. 
– 4. WEBP PRIMARY + JPG/PNG COPY Sets the WebP image as the primary file while retaining a JPG/PNG copy for compatibility.
Maximum Width Control 
Set a maximum pixel width for uploaded images to automatically resize large photos from cameras or smartphones.
Smart JPG Size Reduction (by KB Limit) 
When enabled, the plugin will try to reduce a JPG’s file size to stay below a specific kilobyte (KB) limit by dynamically lowering the quality level until the target is reached. ( ONLY FOR JPG and No transparent PNG )
Compress Only from Post Editor (Optional) 
Option to limit compression to images uploaded directly from the WordPress post editor, excluding other uploads from plugins or themes or media library.
Post Type Filter 
Added a new option to select which post types the plugin should apply to. If none are selected, all post types will be processed.
Keep Original File Copy 
Option to create a full-size copy of the original uploaded image in the media library for backup or archival purposes.
Disable WP Auto-Generated Thumbnails 
Option to disable WP Auto-Generated Thumbnails. Save disk space by preventing WordPress from creating unnecessary image files.
Automatic Metadata Filling 
Automatically fills ALT, Description, and Caption (Excerpt) fields using the parent post information — ideal for improving SEO with no extra effort.
Admin Bar Toggle 
Easily enable or disable compression from the WordPress admin bar without entering the settings page, handy when you want to upload images related to the theme or the builder, basically content not associated with any post type.
Telegram Notifications (Optional) 
If the “Notifications for Telegram” plugin is installed, you will receive a message for each processed image containing: 
– File name 
– Format 
– Compression ratio
Logging 
Can Records all compression events to the WordPress debug log (<code>wp-content/debug.log</code>) for debugging or performance tracking.
Lightweight & Compatible 
– Works entirely on your server with no external API, CDN or remote requests. 
– Fully compatible with shared hosting environments. 
– No third-party dependencies.
<h4>Ideal Use Cases</h4>
<ul>
<li>Websites managed by non-technical users who often upload large, unoptimized images. </li>
<li>Site owners and developers who want full control over compression settings. </li>
<li>Blogs or news sites that require consistent image optimization without external services. </li>
</ul>
<h4>Summary</h4>
Raina Image Compression was built to solve a common problem: users uploading excessively large images that slow down websites. 
It works quietly in the background, optimizing every image for size, speed, and SEO — so your site stays fast, clean, and professional.
<h3>License</h3>
This plugin is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

Raina Image Compression

Smart automatic image optimization and compression for faster WordPress sites.

Samuel Wood (Otto)

Normally when you upload an image to a WordPress site, it creates several differently sized versions of the image automatically. Themes can define custom image sizes as well, increasing the amount of images generated on your server.
This plugin changes the way WordPress creates images to make it generate the images only when they are actually used somewhere, on the fly. Images created thusly will be saved in the normal upload directories, for later fast sending by the webserver. The result is that space is saved (since images are only created when needed), and uploading images is much faster (since it’s not generating the images on upload anymore).
“Pretty” permalinks must be enabled for this plugin to function.
Note: This plugin does not work on multisite setups, due to the way WordPress handles file serving in such situations (with ms-files.php).
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Dynamic Image Resizer

Make your images change sizes dynamically.

Raina Image Compression vs Dynamic Image Resizer