PNG to WebP — Free Online Converter
Convert PNG to smaller WebP format. Preserve transparency while reducing file size.
Drop multiple images — batch supported
IMAGE/PNG,PNG
PNG to WebP — Smaller Files, Same Quality
WebP supports both lossy and lossless compression, plus transparency. Converting PNGs to WebP can reduce file size by 50% or more.
How to Convert PNG to WebP Online Free
WebP is a modern image format developed by Google that produces files around 26% smaller than PNG at equivalent quality. Converting PNG to WebP is one of the most effective ways to speed up a website without any visible loss in image quality. ImageZen4u converts PNG to WebP entirely in your browser — your images are never uploaded to any server.
Upload your PNG image
Drop one or more PNG files. Batch conversion is supported — convert many images at once.
Automatic conversion
Each image is converted to WebP format instantly using the Canvas API in your browser.
Download your WebP files
Single images download directly. Multiple images download as a ZIP archive.
Why convert PNG to WebP?
WebP supports both lossless compression like PNG and transparency, making it a perfect drop-in replacement for PNG on the web. Every modern browser — Chrome, Firefox, Safari, and Edge — now supports WebP, so there is little reason not to use it for web images.
Who uses this tool?
This PNG to WebP converter is used by website owners reducing page load times, developers optimising web assets, and anyone who wants smaller image files without losing the transparency that PNG provides. Because everything runs locally in your browser, there are no file size limits imposed by a server, no waiting in a queue, and complete privacy — your images never leave your device.