Convert PNG to WebP Online — Up to 80% Smaller

How It Works

1. 1Upload your image by dragging it into the drop zone or clicking to browse.
2. 2Adjust the quality slider to balance file size and visual fidelity (optional).
3. 3Click Download to save your converted image.

About PNG to WebP

PNG files can be very large, especially for photographs or complex graphics — a single high-resolution PNG can easily exceed 10 MB. WebP offers both lossy and lossless compression that is dramatically more efficient, often producing files 60-80% smaller than PNG while maintaining excellent visual quality. This is particularly impactful for web developers looking to improve page load times, reduce bandwidth costs, and boost Core Web Vitals scores. This tool converts your PNG files to WebP format entirely in your browser, with an adjustable quality slider so you can control the trade-off between file size and quality. For images where transparency is important, WebP supports alpha channels just like PNG, so you do not lose that capability in the conversion. Use cases include optimizing website assets, preparing images for content management systems, and compressing screenshots before sharing. Since all processing runs locally in your browser using the Canvas API, your images are never uploaded to any server. Batch support lets you convert multiple files at once.

From the blog

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