Convert PNG to WEBP — Free, No Upload
Runs entirely in your browser. Nothing is sent to any server.
Why convert PNG to WEBP?
WebP is Google's modern image format — up to 30% smaller than PNG with the same visual quality. Web developers use it to pass Core Web Vitals and speed up page loads significantly.
What is PNG?
PNG (Portable Network Graphics) is a lossless image format that supports transparency. Ideal for logos, screenshots, and graphics.
What is WEBP?
WebP is Google's modern image format, offering 25-35% smaller files than JPEG or PNG with comparable quality.
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Frequently asked questions
Is this PNG to WEBP converter really free?
Yes, completely free. No account, no credit card, no watermark, no file size limit imposed by a paywall. Convifi is free to use forever.
Is my file safe when I convert PNG to WEBP?
Your file never leaves your device. All conversion happens locally in your browser using WebAssembly. There is no upload to any server — not even Convifi's.
Does this work on iPhone, Mac, and Windows?
Yes. Because it runs in the browser, it works on any device — iPhone, Android, Mac, Windows, or Linux — as long as you have a modern browser like Chrome, Safari, Firefox, or Edge.
How long does PNG to WEBP conversion take?
Conversion time depends on your file size and device. Most files convert in under 30 seconds. Longer videos or high-resolution images may take a minute or two. Nothing is being sent over the network, so your connection speed has no effect.