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Convert PNG to WebP Online Free

No upload to server. Runs entirely in your browser — 100% private.

Files processed in your browser — never uploaded to our servers
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Drop your image here

or click to browse · JPG, PNG, WebP, AVIF supported

Smaller fileBetter quality

Frequently Asked Questions

WebP files are typically 25–35% smaller than PNG with equivalent visual quality. This improves page load speed and Core Web Vitals scores.
Yes. WebP fully supports transparency (alpha channel), making it a direct replacement for PNG in most cases.
WebP is supported in all modern browsers including Chrome, Firefox, Safari (since 2020), and Edge.
No. Conversion happens entirely in your browser using the Canvas API.
At 80%+ quality, the visual difference is imperceptible. You can adjust the quality slider and preview before downloading.