Shakib R Khan

Super Duper Image Auto Optimizer compresses newly uploaded images (JPEG/PNG/WebP), strips EXIF, and generates modern formats (WebP/AVIF when supported). It also includes a one-click bulk optimizer in the admin and a WP-CLI command for existing media.
Highlights 
– Automatic optimization for new uploads (original + sizes) 
– One-click bulk optimization (batched via AJAX, resume) 
– WebP generation and AVIF when supported 
– Imagick preferred; GD fallback 
– No third-party services or tracking 
– WP-CLI: <code>wp sdiao:bulk</code>
<h3>Usage</h3>
<ul>
<li>Bulk optimize: Media → Super Duper Image Auto Optimizer → Bulk Optimize.</li>
<li>WP-CLI: <code>wp sdiao:bulk</code>.</li>
</ul>
<h3>FAQs</h3>
= Do I need to drag and drop into the plugin? = 
No. It hooks into normal uploads and runs automatically.
<h4>Does it generate WebP/AVIF for all sizes?</h4>
Yes (AVIF requires Imagick with AVIF support).
<h3>Privacy</h3>
Processes images locally; stores only minimal bulk progress (<code>sdiao_bulk_state</code>). No telemetry.
<h3>Security</h3>
Nonce + capability checks on AJAX; escaped admin output; no remote code.

Super Duper Image Auto Optimizer

Reduce image sizes on upload and in bulk, strip EXIF, and generate WebP/AVIF with Imagick or GD — no external APIs.

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.

Super Duper Image Auto Optimizer vs Nish Image Optimizer