How to Use WebP Images in WordPress

WordPress powers over 40% of the web — and most WordPress sites still serve unoptimized JPEG and PNG files by default. Switching to WebP is one of the easiest performance wins for WordPress site owners.

Does WordPress Support WebP?

Yes. WordPress 5.8+ supports WebP uploads natively in the Media Library. You can upload .webp files directly without plugins.

For automatic conversion on upload, use a plugin like ShortPixel, Imagify, or EWWW Image Optimizer — or convert manually before uploading.

How to Convert Images for WordPress

Option 1: Convert before upload (recommended for full control)

1. Open our Image to WebP converter
2. Drag and drop your JPG or PNG files
3. Set quality to 80–85 for photos, 75–80 for thumbnails
4. Download WebP files
5. Upload to WordPress Media Library

For bulk photo conversion, use JPG to WebP. For graphics, use PNG to WebP.

Option 2: Use a WordPress plugin

Plugins can auto-convert on upload and serve WebP via <picture> tags. Popular options:

• ShortPixel — automatic WebP + AVIF
• Imagify — WebP conversion with quality presets
• EWWW Image Optimizer — local or cloud compression

Serving WebP With Fallbacks

If some visitors use older browsers, serve WebP with JPEG fallback:

<picture>
  <source srcset="image.webp" type="image/webp" />
  <img src="image.jpg" alt="Product photo" />
</picture>

Many optimization plugins handle this automatically.

WebP and WordPress SEO

Faster pages improve Core Web Vitals — a ranking factor Google measures in Search Console. Focus on converting:

• Featured images on blog posts
• Hero banners on landing pages
• Product gallery images on WooCommerce stores

Common WordPress WebP Issues

Images look blurry — increase quality to 82–88 for hero images.

WebP not showing — clear your caching plugin (WP Rocket, W3 Total Cache) after uploading new formats.

Large media library — convert source files before upload rather than storing both JPEG and WebP duplicates manually.

Conclusion

WordPress fully supports WebP in 2026. Convert your images before upload with our free Image to WebP converter — private, browser-based, and unlimited.

Read What Is WebP? for a full format overview.