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.

Zara 4

Optimise and compress your images automatically with <a href="https://zara4.com" title="Zara 4" rel="nofollow ugc">Zara 4</a>.
By optimising, resizing and compressing photographs on your website, you can dramatically reduce the amount of data visitors to your website download.
Less data to download equals faster loading pages, reduced bandwidth usage and less storage space on your servers.
Zara 4 combines intelligent image optimisation and enhanced compression techniques to deliver images that display faster.
<h4>Features</h4>
<ul>
<li>Automatically optimise images as soon as you upload them. You can select which thumbnails you want to be processed.</li>
<li>Existing images can be compressed individually or batch processed by using the bulk action ‘Compress with Zara 4’ from the WordPress Media Library.</li>
<li>Restore your original images at any time. Your original uncompressed images are preserved but hidden from your Media Library.</li>
<li>All image compression is handled by Zara 4 servers. Your servers aren’t placed under extra load processing images.</li>
<li>You can use your Zara 4 API credentials on an unlimited number of sites or blogs.</li>
<li>View your usage from WordPress. Account usage is shown as graph from your Zara 4 Settings page.</li>
<li>This plugin requires access to cURL to communicate with the Zara 4 API.</li>
<li>No compilation is required. No additional binaries are required. This plugin does not require root access</li>
<li>Supports JPEG and PNG images up to 16MB.</li>
</ul>
<h4>Getting Started</h4>
<ol>
<li>Install the Zara 4 WordPress plugin into your site.</li>
<li><a href="https://zara4.com/auth/register" title="Zara 4 registration" rel="nofollow ugc">Register</a> your free account at zara4.com.</li>
<li>Obtain your account <a href="https://zara4.com/account/api-clients" title="Zara 4 API Clients" rel="nofollow ugc">API credentials</a> to connect you to Zara 4.</li>
<li>Copy your API credentials into the Zara 4 settings page on your WordPress.</li>
</ol>
<h4>Plans and Pricing</h4>
Get started with Zara 4 for free! Simply install the plugin and <a href="https://zara4.com/auth/register" title="Zara 4 registration" rel="nofollow ugc">register</a> now.
We offer various <a href="https://zara4.com/pricing" title="Zara 4 Pricing" rel="nofollow ugc">pricing plans</a> suitable for all users big or small.
Need more? If you are likely to process more than 6000 images per month, <a href="https://zara4.com/contact-us" title="Zara 4 Contact" rel="nofollow ugc">contact us</a> for a customised quote. We can provide maintained dedicated servers to meet your needs.
Worried about privacy? We also provide maintained “on site” servers that can run from inside your internal network. <a href="https://zara4.com/contact-us" title="Zara 4 Contact" rel="nofollow ugc">Contact us</a> for more information.
<h4>Contact us</h4>
If you have any problems / questions please contact us at support@zara4.com and we’ll do our best to help. 
Any feedback or suggestions for improvement / feature requests are always welcome.
<ul>
<li>Website: https://zara4.com</li>
<li>Email: support@zara4.com</li>
</ul>

Zara 4 Image Compression

Compress your images by up to 90% and make your website load faster. Improve your SEO. Reduce your bandwidth.

Nish Image Optimizer vs Zara 4 Image Compression