EsLaM Hamed

Image Boost is a free, powerful image optimization plugin that works 100% locally on your server. Unlike other optimization plugins, Image Boost requires no API keys, makes no external requests, and has no usage limits. Your images never leave your server.
It uses your server’s built-in Imagick or GD library to intelligently compress JPEG, PNG, GIF, and WebP images — reducing file sizes by up to 60% without visible quality loss.
<h4>🚀 Why Image Boost?</h4>
<ul>
<li>100% Local Processing — No API keys, no cloud uploads, no privacy concerns</li>
<li>Zero Usage Limits — Optimize unlimited images, forever</li>
<li>Smart Compression — Imperceptible quality loss with significant file size reduction</li>
<li>WebP Delivery — Automatic <code><picture></code> tag output for modern browser support</li>
<li>One-Click Bulk Optimize — Process your entire media library in minutes</li>
<li>Full Backup System — Every original is safely backed up and can be restored instantly</li>
<li>WooCommerce Ready — Works with product images, galleries, and all custom post types</li>
</ul>
<h4>⚡ How It Works</h4>
<ol>
<li>Upload an image normally to your Media Library.</li>
<li>Image Boost automatically compresses it in the background (if auto-optimize is enabled).</li>
<li>A WebP version is generated and served to supported browsers via smart <code><picture></code> tags.</li>
<li>View savings per image directly in the Media Library, or check the beautiful Dashboard for overall stats.</li>
</ol>
<h4>🎯 Compression Levels</h4>
<ul>
<li>Normal — Lossless metadata stripping. Zero quality loss. ~5-15% savings.</li>
<li>Pro — Smart lossy compression with imperceptible quality loss. ~40-60% savings. (Recommended)</li>
</ul>
<h4>📋 Full Feature List</h4>
<ul>
<li>Two compression levels: Normal (Lossless) and Pro (Smart Lossy)</li>
<li>Automatic WebP format conversion</li>
<li>Smart <code><picture></code> tag delivery for WebP across all themes</li>
<li>Server-side delivery config (Apache .htaccess / Nginx rules)</li>
<li>Background optimization queue via WP-Cron</li>
<li>Bulk Optimization with real-time progress bar</li>
<li>Auto-optimize images on upload</li>
<li>Full backup & one-click restore system</li>
<li>Per-image optimization stats in the Media Library</li>
<li>Image resizing (configurable max width)</li>
<li>Metadata stripping with optional copyright preservation</li>
<li>Native lazy loading injection</li>
<li>Skip specific thumbnail sizes</li>
<li>30-Day Analytics Dashboard with savings chart</li>
<li>WooCommerce & Custom Post Type support</li>
<li>Multisite compatible</li>
<li>Clean uninstall with optional data removal</li>
<li>Beautiful, modern admin dashboard with dark theme</li>
<li>Comprehensive documentation page built-in</li>
</ul>

Imagi Boost

Compress and optimize your WordPress images locally — no API keys, no limits. Supports WebP, bulk optimization, and auto-optimize on upload.

Bogdan Bendziukov

Looking for a WordPress image optimizer without an API key? Squeeze is a local WebP converter that lets you compress images in WordPress, convert uploads to WebP, and bulk compress your media library without ShortPixel-, Imagify-, or Smush-style monthly caps. Processing runs in your admin browser—unlimited squeezes, full privacy, and no uploads to third-party compression servers.
If you need a webp converter wordpress plugin, a shortpixel alternative without recurring API fees, or an image optimizer without api keys, Squeeze keeps optimization on your server and in your browser instead of a SaaS queue.
Unlike cloud-based plugins, Squeeze:
♾️ No compression limits — squeeze your entire Media Library, not just the first 100–500 images per month. 
☁️ No third-party servers — images never leave your site; processing happens locally in the browser (ideal for GDPR-sensitive and membership sites). 
⚡ Direct WebP conversion — convert JPG/PNG to WebP and replace the original file on disk (no duplicate copies cluttering storage). 
🖼️ Optimize on upload — compress in Gutenberg, GenerateBlocks, and the Voxel theme before files hit the server (Elementor on-upload squeeze is available in <a href="https://pluginarium.com/squeeze/#premium" rel="nofollow ugc">Premium</a>).
The result: smaller files, faster page loads, and lower hosting storage—without SaaS fees or API keys.
<a href="https://pluginarium.com/squeeze/" rel="nofollow ugc">Squeeze official website</a> | <a href="https://pluginarium.com/squeeze/squeeze-documentation/" rel="nofollow ugc">Plugin documentation</a>
<h3>🌟 New in 1.7.x</h3>
<ul>
<li>Direct WebP conversion: Convert JPG/PNG to WebP and replace originals—save storage without duplicate files.</li>
<li>Pre-upload compression: Shrink images in the browser before upload (Gutenberg, GenerateBlocks, Voxel create-post and gallery fields).</li>
<li>Three WebP delivery modes: Direct WebP, separate squeeze-webp folder with URL rewrite, or server-side delivery via .htaccess.</li>
<li>Voxel theme support: Pre-upload squeeze on multipart AJAX uploads in create-post and file/gallery fields.</li>
</ul>
<h3>✨ Key Features</h3>
<ul>
<li>Faster pages: Smaller images improve load time, Core Web Vitals, and mobile bandwidth use.</li>
<li>WebP conversion & serving: Convert to WebP and serve efficiently—choose Direct WebP, HTML URL rewrite, or .htaccess delivery for supported browsers.</li>
<li>Client-side squeezing: Compress in the browser; nothing is uploaded to external optimization servers.</li>
<li>Upload optimization: Compress on the fly during upload so optimized files land in your Media Library.</li>
<li>Gutenberg & GenerateBlocks: Squeeze images as you add them in the block editor.</li>
<li>Voxel theme: Compress before upload on Voxel create-post and file/gallery fields.</li>
<li>Bulk compression: Compress hundreds of Media Library images in one run (pause/resume supported).</li>
<li>Custom directory squeeze: Pick any folder under your site root and optimize all images inside it.</li>
<li>Exclusions: Skip images by URL or filename pattern (one per line).</li>
<li>Fine-tuned quality: Per-format tabs for JPEG, PNG, WebP, and AVIF (MozJPEG, OxiPNG-style PNG, and more).</li>
<li>Backup option: Keep a <code>.bak</code> copy to restore the original after squeezing.</li>
<li>Formats: JPEG, PNG, WebP, and AVIF.</li>
</ul>
<h3>⚜️ Premium Features</h3>
<ul>
<li>Image comparison in the Media Library (before/after sizes).</li>
<li>Resize originals to max width/height before squeeze.</li>
<li>Bulk squeeze from a page — all images used on one post or page.</li>
<li>Elementor integration — squeeze on upload while editing in Elementor.</li>
<li>CDN URL — map CDN image URLs to local files for all WebP delivery modes.</li>
<li>Priority support & updates</li>
</ul>
<a href="https://pluginarium.com/squeeze/#premium" rel="nofollow ugc">Explore Premium</a>
<h3>How does Squeeze work?</h3>
Open the Media Library, run Bulk Squeeze, or upload a new image — Squeeze runs Google Chrome team–backed codecs (the same family as Squoosh.app) inside your browser via Web Workers. No account, no API key, no off-site upload queue.
<a href="https://pluginarium.com/squeeze/squeeze-documentation/" rel="nofollow ugc">Full documentation</a>

Squeeze – Image Optimization & Compression, WEBP Conversion


Great plugin! I'd love webp support if possible.


Works great

Compress images in WordPress & convert to WebP — no API key, no quotas, no cloud. Unlimited local image optimizer; private browser-side compression.

Imagi Boost vs Squeeze – Image Optimization & Compression, WEBP Conversion