Convert PNG to WebP Online - Free
Convert PNG images to WebP format for significantly smaller file sizes. Ideal for faster website loading.
Upload files
or drag and drop files here
Max file size: 50MB
Your files are processed locally in your browser. Nothing is uploaded to any server.
How to Convert PNG to WebP
Upload PNG File
Drag and drop your PNG image or click to browse. Supports all PNG files including those with transparency.
Select WebP Format
Choose WebP as output. WebP preserves PNG transparency while delivering dramatically smaller file sizes.
Download WebP Result
Save your converted WebP image. Enjoy up to 45% smaller files with identical visual quality.
Frequently Asked Questions
Does WebP support transparency like PNG?
Yes, WebP fully supports alpha channel transparency just like PNG. The key advantage is that transparent WebP images are significantly smaller than equivalent transparent PNGs, often 40-50% smaller, making them ideal for website logos, icons, and overlay graphics.
Is PNG to WebP conversion lossless?
WebP supports both lossless and lossy modes. Lossless WebP preserves every pixel identically to the original PNG but still achieves 20-30% smaller files. Lossy WebP reduces size even further with minimal visual impact, making it perfect for web performance optimization.
Should I replace all PNG images on my website with WebP?
For most websites, converting PNGs to WebP significantly improves page load speed and Core Web Vitals scores. Use the HTML picture element to serve WebP to modern browsers with PNG as a fallback. This approach ensures compatibility while maximizing performance benefits.