PNG to WebP Converter

Convert PNG images to WebP for smaller file sizes with transparency preserved. No uploads — runs entirely in your browser.

100% Private

Files never leave your browser

Instant

No waiting, no uploads

No Limits

Any file size, unlimited files

Drag & drop PNG image

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Preview

Why Convert PNG to WebP?

Speed Up a Web Page

Lighthouse and PageSpeed Insights flag oversized PNGs; the same artwork as WebP is usually far smaller.

Keep the Cut-Out

WebP holds the alpha channel a JPG would flatten, so logos and UI assets stay transparent.

Beat Upload Size Caps

Shopify listings, forum avatars and marketplace forms often cap an image at a few hundred KB.

About PNG to WebP Converter

PNG to WebP Converter shrinks PNG files into the more efficient WebP format. Output is typically 25–35% smaller than the source PNG with no visible quality difference. Transparency is preserved.

WebP is now supported by every modern browser, so it's safe to use as the delivery format on production websites. For tools that don't accept WebP yet (older Photoshop versions, some Office apps, certain CMSes) you may still need to keep a PNG copy alongside.

Common Questions

WebP files are usually 25–50% smaller than the same PNG at indistinguishable quality — directly useful for faster page loads, lower hosting costs and tighter mobile data budgets.

Yes — WebP fully supports per-pixel alpha, so logos, icons and overlays carry their transparency through unchanged.

Not if you pick lossless WebP — output is pixel-identical to the source PNG. Lossy WebP shrinks files further at quality differences that are invisible at normal viewing sizes.

Internet Explorer, very old Safari and a few email clients (older Outlook desktop, some self-hosted Mail) won't render WebP. For those audiences, ship the original PNG as a fallback.

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