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.

48hmorris

NextGEN Gallery image upload, image processing, and gallery management functions are moved from the website/browser to a desktop app running on your more powerful desktop system.
Features 
* Super fast image processing – <a href="https://sharp.dimens.io/en/stable/performance/" rel="nofollow ugc">Performance</a> 
* Auto rotate, resize, adjust image quality, create thumbnails, and apply watermarks before uploading images 
* Add/Remove NextGEN galleries 
* Upload images to a NextGEN gallery 
* Remove EXIF data from images 
* Unlimited image file size 
* Secure uploads using JWT Authentication for WP-API Plugin 
* Imposes the same security restrictions as NextGEN Gallery 
* Fast uploads tuned to your WordPress configuration 
* Per-user configuration settings
For more feature details and performance comparisons, visit <a href="https://nextgenassistant.com/" rel="nofollow ugc">Assistant for NextGEN Gallery</a>.
Usage
Once the Assistant for NextGEN Gallery plugin has been installed, 
download and install the companion desktop app (Windows or MACOS) from <a href="https://nextgenassistant.com/" rel="nofollow ugc">Assistant for NextGEN Gallery</a> and start uploading your images.
Requirements 
* Windows 7 (64 bit) or Windows 10 (64 bit) 
* OS X 10.9.5 or higher 
* IIS Web Server – not supported 
* WordPress multi-site – not supported

Assistant for NextGEN Gallery

Save your web server and your time - optimize and upload images, add/delete galleries - all from a Windows or MACOS desktop app.

Nish Image Optimizer vs Assistant for NextGEN Gallery