PNG to WEBP Converter

Why WebP instead of PNG on the web

PNG is lossless, which is lovely for editing but heavy for publishing: a full-width hero illustration or a photo-like screenshot can easily be several megabytes. WebP supports the same transparency, including soft edges and shadows, while compressing the image far more efficiently. Converting typically saves anywhere from 25% on simple graphics to 80% or more on photographic PNGs.

Smaller images mean faster page loads, which visitors notice and search engines measure. Every modern browser, including Safari since 2020, displays WebP, so for websites it has become a safe default.

Choosing the right quality for graphics

WebP at lower quality settings can soften sharp edges, so text and fine lines deserve a higher setting than photos. Try 90% for screenshots, diagrams, UI mock-ups and logos, then compare the result card’s size and check the downloaded image at 100% zoom. For photographic PNGs, 75–80% looks great and saves the most.

If a graphic has only a handful of flat colors, a compressed PNG can sometimes match WebP for size while staying lossless; Compress Image can do that for you. For the very smallest photo files, consider AVIF, which goes further still but takes longer to create.

Where WebP is (and isn’t) supported

All current versions of Chrome, Edge, Firefox, Safari, Opera and Samsung Internet display WebP, as do Android and iOS. WordPress, Shopify, Squarespace, Wix and most other website builders accept WebP uploads. Older desktop software is the main gap: some versions of Microsoft Office, older photo editors and a few printing services still prefer PNG or JPG. Keep your original PNGs for those, and if you ever need to go back, WebP to PNG reverses the conversion.

Private and unlimited

Design work in progress, unreleased product shots and client logos often aren’t meant to be public yet. This converter never uploads them: each PNG is read and saved as WebP inside your browser. There’s no file count limit, no sign-up and no watermark, and your originals are never changed.

A simple workflow for website graphics

Export or screenshot your graphic as PNG, crop away anything you don’t need with Crop Image, resize it to the largest width your page actually displays, and only then convert to WebP. Doing the steps in that order means the WebP encoder works on the smallest, cleanest version of the image, which gives the best quality for the fewest bytes. Keep the PNG as your editable master copy, and generate a fresh WebP from it whenever the design changes.