Convert PNG to WebP
WebP often stores the same PNG image at a fraction of the size while keeping transparency intact — making it the modern choice for fast-loading websites without giving up the alpha channel.
Drop your images here
or click to browse · JPG, PNG, WebP · Batch convert · Nothing is uploaded
⚠️ WebP is preselected as the output format. You can switch to any other format above at any time — conversion always runs on your device.
Convert PNG images to WebP entirely in your browser — no upload, no account. Your files never leave your device.
Key facts
- Keeps PNG transparency — the alpha channel is preserved
- Typically much smaller than the source PNG
- WebP is supported by all current browsers
- Choose a lower quality for the smallest possible files
- 100% in-browser — your images never leave your device
Why convert PNG to WebP?
PNG is lossless and supports transparency, but its files are large. WebP supports both lossless and lossy modes plus transparency, and typically produces files 25–35% smaller than PNG in lossless mode — and far smaller in lossy mode — while preserving the alpha channel. For web use that means quicker page loads and lower bandwidth, without the visible artefacts you'd get by flattening a PNG to JPG. Every current browser supports WebP; the main reason to keep PNG is compatibility with very old software that predates it.
PNG vs WebP: the format differences
PNG is lossless, universally compatible and transparent, but heavy. WebP can be lossless or lossy, is far more compact, keeps an alpha channel, and is supported by every modern browser. Converting PNG → WebP keeps transparency while shrinking the file — choose a quality setting to trade a little detail for an even smaller result.
Add your PNG image
Drag your PNG file onto the drop zone above, or click to browse. It stays on your device — nothing is uploaded.
Convert to WebP
WebP is already selected as the output format, so pick a quality and click Convert. The image is re-encoded to WebP right in your browser using the Canvas API.
Download your WebP
Save the converted WebP file. Add more PNG images to convert them together in the same batch.