PNG to WEBP Converter
Convert your image files online locally. We support batch processing, image compression, quality control, and file size optimization. Your files never leave your computer.
Select your files here to get started
or drag & drop your files here
Supports multiple PNG files up to 20MB eachConvert PNG to Compressed WebP Images
PNG is an excellent lossless format for web graphic displays, but it often yields heavy file sizes that slow down your website. WebP is a modern image format developed by Google that provides superior lossless and lossy compression for images on the web.
Up to 80% Size Reduction
By converting PNG to WebP, you can compress file sizes by 30% to 80% without losing visual quality, improving page speed ratings.
100% Secure & Local
Our converter works entirely inside your web browser. No files are uploaded to any server. Your photos remain completely private.
Supports Transparency
WebP retains full PNG alpha channel transparency, making it suitable for logos, badges, and web page assets.
Frequently Asked Questions
When you select PNG files, JavaScript parses them local to your memory as image tags. It writes them onto an off-screen HTML5 <canvas> rendering context, and calls browser-level APIs to export the canvas canvas pixels as WebP blobs at your selected quality factor.
Yes. WebP is supported natively by all modern web browsers, including Google Chrome, Mozilla Firefox, Apple Safari, Microsoft Edge, Opera, and mobile browsers. It is now the standard format recommended for web images.
Absolutely. You can upload multiple PNG images concurrently. The tool converts them sequentially and allows you to download them individually or pack them all inside a single .zip file in one click.
By default, the quality slider is set to 80%, which represents lossy WebP compression that is virtually indistinguishable to the human eye while saving substantial bandwidth. If you want lossless quality, keep the slider high (95-100%).