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.

Amos Lee（一刀）

上传时自动压缩优化图片，以通过 PageSpeed Insights 测试。
<ol>
<li>压缩方式为有损压缩，jpeg 质量为 85%，png 质量为 80%。</li>
<li>原图会被重命名为 filename.png.orig 的格式</li>
</ol>
需要在服务器上安装对应的压缩组件才能实现压缩。
<h3>CentOS</h3>
<pre><code>sudo yum install epel-release jpegoptim optipng pngquant gifsicle libwebp-tools
sudo npm install -g svgo
</code></pre>
<h3>debian</h3>
<pre><code>sudo apt-get install jpegoptim optipng pngquant gifsicle webp
sudo npm install -g svgo
</code></pre>

Nish Image Optimizer vs Image optimizer by Wenprise