PNG to WebP Converter
Drop a PNG file below and get a WebP back in seconds. Use the quality slider to balance file size against sharpness — 80–90% is visually identical to the original for most images. No upload, no sign-up, no watermark.
Why use this tool
Why WebP?
WebP (WebP) is 25–35% smaller than JPG or PNG at the same visual quality, with transparency — the go-to for fast websites.
What's wrong with PNG?
PNG files are lossless but often large, especially photos or detailed screenshots.
How to convert PNG to WebP
- Upload — drag your PNG file(s) onto the box, click to browse, or paste from the clipboard.
- Adjust — pick the output format if you change your mind, and set the quality or icon sizes.
- Download — grab each WebP individually, or all of them at once as a ZIP.
Frequently asked questions
Will I lose quality converting PNG to WebP?
WebP is a lossy format, so a small amount of detail is discarded. At 85%+ quality the difference is invisible to the eye, and you can always raise the slider to 100% for maximum fidelity.
Can I convert several PNG files at once?
Yes. Drop as many files as you like — each one is converted individually and you can grab them one by one or all together as a ZIP.
Is this tool free?
Yes — every tool on ConvertPicto is completely free, with no account, no watermark and no file limits. The site is supported by ads.
Are my images uploaded to a server?
No. ConvertPicto runs entirely inside your browser using the Canvas API. Your files are read locally, processed on your device and never sent anywhere — we don't even have a server that could receive them.
Does it work on my phone?
Yes. The site is fully responsive and works in any modern mobile browser (Chrome, Safari, Firefox, Edge). Processing large images is naturally slower on a phone than on a laptop.