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How to use the PNG to WebP
- 1Drop your PNG files into the box, or click to choose them.
- 2Optionally adjust the quality slider.
- 3Download each WebP file, or download them all at once.
Why convert PNG to WebP?
PNG uses lossless compression and supports full transparency, which keeps text, logos and screenshots perfectly sharp.
WebP is a modern format from Google that is typically 25–35% smaller than JPG or PNG at the same visual quality and supports transparency. WebP is the better choice for websites and blogs where fast loading and good Core Web Vitals matter.
Transparency is preserved during conversion.
Private by design
Most online converters upload your pictures to a server. This converter works entirely inside your browser using built-in image APIs, so your files never leave your device and conversion is instant even on slow connections.
When to convert PNG to WebP
Switching site images from PNG to WebP is one of the easiest ways to speed up a website and improve Largest Contentful Paint in Core Web Vitals, while keeping transparency.
JPG vs PNG vs WebP at a glance
| JPG | PNG | WebP | |
|---|---|---|---|
| Compression | Lossy | Lossless | Lossy or lossless |
| Transparency | No | Yes | Yes |
| Typical photo size | Small | Large (often 3–10× JPG) | Smallest (25–35% below JPG) |
| Best for | Photos, email, printing | Logos, screenshots, text, edits | Websites and apps |
| Support | Everywhere | Everywhere | All modern browsers; some older software |
Frequently asked questions
Is this PNG to WebP converter free?
Yes. It is completely free, with no sign-up, no watermark and no limit on the number of files.
Will I lose quality?
WebP uses lossy compression. At the default quality (90%) the difference is not visible to the eye. Increase the quality slider for an even closer match.
Can I convert several images at once?
Yes. Select or drop multiple files and convert them in one go, then download them individually or all together.
Does WordPress support WebP?
Yes. WordPress has supported WebP uploads since version 5.8, and all modern browsers display WebP images.