Jackson Jonah

Skyspeed is a robust, enterprise-grade image optimization solution designed to make your WordPress site lighter and faster without sacrificing visual quality.
Unlike other plugins that bloat your dashboard with upsells, Skyspeed is focused purely on performance. It automatically intercepts every image you upload, resizes it to a sane maximum width, and converts it to modern, high-compression formats like AVIF and WebP.
<h3>🚀 Key Features</h3>
<ul>
<li>Smart Format Selection: Automatically checks if your server supports AVIF (the newest, most efficient format). If not, it falls back to WebP, and finally to the original format if needed.</li>
<li>Intelligent Resizing: Automatically resizes massive uploads (e.g., 6000px wide photos from phones) to a web-ready Max Width (default: 1920px), saving megabytes instantly.</li>
<li>Safety First (Automatic Backups): We care about your data. Every original image is safely backed up to a dedicated folder (<code>uploads/original-backups/</code>) before any optimization occurs.</li>
<li>One-Click Restore: Made a mistake? Hover over any image in the Media Library and click “Restore Original” to revert instantly.</li>
<li>Bulk Optimizer: Process your entire existing media library in the background with our AJAX-powered batch processor. Includes a sleek circular progress bar!</li>
<li>Live Preview: Don’t guess quality settings. Use the Live Preview tool to compare “Before vs. After” quality and file size on a real image before applying settings globally.</li>
<li>Analytics Dashboard: Track exactly how much disk space you’ve saved with our built-in savings calculator and dashboard widget.</li>
</ul>
<h3>⚡ Why AVIF?</h3>
AVIF is the successor to WebP. It offers superior compression (often 20-30% smaller than WebP) with better visual fidelity. Skyspeed is one of the few free plugins that prioritizes AVIF support out of the box.

Skyspeed – Image Optimizer, WebP & AVIF Converter

Boost your site speed automatically. Resizes huge uploads, converts images to next-gen WebP & AVIF formats, and safely backs up originals.

Freemius

Md Nishath Khandakar

Nish Image Optimizer is a fast and simple WordPress plugin designed to make your website lighter and faster. 
It automatically compresses and converts your images into modern formats like WebP and AVIF, while also supporting JPEG and PNG.
By optimizing images directly inside WordPress, you can dramatically improve page speed, Core Web Vitals, and SEO rankings — without relying on third-party APIs or external services. Nish Image Optimizer runs 100% locally on your server using WordPress’ built-in image libraries (GD/Imagick).
<h3>🚀 Key Features</h3>
<ul>
<li>✅ Automatic Optimization on Upload – new images are optimized instantly. </li>
<li>✅ Bulk Optimization – optimize your entire Media Library with a single click. </li>
<li>✅ Multiple Formats – WebP, AVIF, JPEG, PNG. </li>
<li>✅ Skip Already Optimized Images – saves time and resources. </li>
<li>✅ Minimum File Size Skip – ignore small icons or logos. </li>
<li>✅ Fallback Detection – if AVIF/WebP isn’t supported, it falls back to JPEG/PNG automatically. </li>
<li>✅ WP-CLI Support – for developers who want command-line optimization. </li>
<li>✅ Lightweight & Fast – no external API calls, no credits, no monthly limits. </li>
<li>🔑 Pro Features – per-image re-optimization, advanced PNG → WebP/AVIF handling, and more.</li>
</ul>
<h3>🔑 Why Choose Nish Image Optimizer?</h3>
<ul>
<li>100% free to start with essential optimization features. </li>
<li>Pro upgrade unlocks advanced image handling for power users. </li>
<li>Built for speed, simplicity, and WordPress performance best practices. </li>
</ul>

Nish Image Optimizer

Lightweight WordPress image optimizer. Compress JPEG, PNG, WebP, and AVIF automatically for faster websites.

Skyspeed – Image Optimizer, WebP & AVIF Converter vs Nish Image Optimizer