How to Convert PNG to WebP Online for Free
Our PNG to WebP converter is perfect for web developers and site owners looking to optimize their websites for speed and SEO. WebP supports transparency (alpha channel) just like PNG but at a significantly smaller file size — often 25-50% smaller. This means you can keep the transparency your design requires while dramatically improving your page load times, which directly impacts your Google ranking and Core Web Vitals scores.
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Click or drag your file into the upload area above. Max 10MB.
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PNG to WebP — Frequently Asked Questions
Does WebP support transparency like PNG?
Yes, WebP fully supports alpha channel transparency, making it a perfect replacement for PNG images on the web.
How much smaller will my files be?
WebP lossless images are typically 26% smaller than PNGs. Lossy WebP can be even smaller while maintaining visually identical quality.
Is WebP supported in all modern browsers?
Yes, all modern browsers (Chrome, Firefox, Safari, Edge, Opera) fully support WebP images as of 2023.