Genesis Local WebP Image Optimizer

Listing code: GCD-WEB-357 · Price: Free

This package converts supported PNG/JPG/JPEG image files to WebP using browser canvas APIs. Start with webp-optimizer.html to try the standalone tool locally.

  1. Open webp-optimizer.html in a current browser.
  2. Choose a test PNG or JPEG.
  3. Select a quality value and convert it.
  4. Download the WebP and compare appearance and file size.
  5. Read README.md and PLATFORM-COMPATIBILITY.md before embedding it into a website.
  6. Run the checks in TEST-CHECKLIST.md.

Important: WebP conversion can reduce image transfer size, but some images may become larger. This code does not prove or guarantee a Core Web Vitals, Lighthouse, SEO, ranking, traffic, or conversion improvement.