How to Convert PNG to WebP for WordPress Without Plugins (Faster Load Time Guaranteed)

Is your WordPress website loading slowly? Are you seeing the “Serve images in next-gen formats” warning in Google PageSpeed Insights?

One of the easiest ways to improve your WordPress site’s speed, SEO, and mobile performance is to convert PNG images to WebP format.

In this guide, we’ll show you exactly how to do it — without installing any plugins — using the free tool pngtowebp.org.

💡 Why Use WebP Images on WordPress?

WebP is a modern image format developed by Google that offers:

• ✅ Up to 40% smaller file sizes than PNG or JPG
• ✅ Full support for transparency and high quality
• ✅ Compatibility with all major browsers
• ✅ Better PageSpeed scores and SEO ranking
• ✅ Helps you pass Core Web Vitals (LCP, CLS, FID)

Using WebP instead of PNG can dramatically reduce your page load time, especially on mobile devices.

🛠️ How to Convert PNG to WebP Without Plugins

Instead of relying on bulky WordPress plugins that slow down your site, you can easily convert PNG images to WebP manually using pngtowebp.org.

Step-by-Step Guide:

1. Go to pngtowebp.org
2. Upload your PNG image (drag & drop supported)
3. Click “Convert”
4. Download the WebP version
5. Upload the WebP image to your WordPress media library
6. Update your pages or posts with the new WebP file

No plugins. No registration. No limits. Just fast, clean image optimization.

📌 Pro Tip: Add Fallback for Older Browsers

While WebP is supported in all modern browsers, a few older versions (like Internet Explorer) do not support it.

To be safe, you can use the <picture> element like this:

<picture>
  <source srcset="image.webp" type="image/webp">
  <img src="image.png" alt="Your image description">
</picture>

This method ensures that WebP loads by default, and PNG is only used as a fallback.

🚀 Benefits of Using WebP on WordPress

• ⚡ Improve loading speed by reducing image weight
• 📈 Get better Google Lighthouse scores
• 📱 Create a faster experience on mobile
• 💸 Increase conversions by lowering bounce rates

Whether you’re running a blog, business site, or online store, WebP images help you stay competitive in search rankings and UX performance.

🎯 Start Now with pngtowebp.org

Convert your PNG images to WebP for free and take the first step toward a faster, lighter WordPress website.

No coding. No plugins. Just faster results.

pngtowebp.org — Your go-to tool for lightning-fast WebP image conversion.