PNG to WebP

Converting your PNG images to WebP format is one of the fastest ways to improve your website's loading speed and Google PageSpeed score. WebP images are 25–35% smaller than equivalent PNG files at the same visual quality, thanks to Google's advanced compression algorithm. Our PNG to WebP Converter makes this optimization effortless — upload your PNG and download an optimized WebP in seconds, completely free.

WebP supports both lossless and lossy compression, as well as transparency (alpha channel) — making it a superior alternative to both PNG and JPG for web use. All modern browsers including Chrome, Firefox, Safari (iOS 14+), and Edge fully support WebP, making it safe to use across your entire website today.

Key Features

• 25–35% smaller file size than PNG at equivalent visual quality.
• Transparency preserved — unlike JPG, WebP supports alpha transparency.
• Lossless and lossy modes — choose lossless for pixel-perfect quality or lossy for maximum compression.
• Quality slider — fine-tune the compression level for optimal results.
• Supports any PNG size — no file size restrictions.
• Private and browser-based — files are processed locally and never uploaded.

How to Convert PNG to WebP

1. Upload your PNG image using the Choose File button.
2. Select your preferred mode: Lossy (smaller file, very slight quality reduction) or Lossless (same quality, still smaller than PNG).
3. Adjust the quality slider if using lossy mode (80 is recommended).
4. Click Convert to WebP and download your optimized image.

Why WebP is the Best Image Format for Websites

Google developed WebP specifically to make the web faster. When you convert images to WebP, you reduce total page weight, improve Core Web Vitals metrics (especially Largest Contentful Paint), and reduce server bandwidth costs. Google PageSpeed Insights explicitly recommends "Serve images in next-gen formats" — and WebP is that next-gen format. E-commerce sites that switch product images to WebP often see 15–25% reductions in total page size.