Image converter
PNG to WebP Converter
Shrink PNG images for the web by converting them to WebP, which keeps transparency and usually produces much smaller files.
85–90% looks like the original for most photos.
Larger images are scaled down; smaller ones are left as they are.
What happens when you convert PNG to WebP
WebP supports transparency, so cut-outs and logos keep their transparent backgrounds.
Files are usually much smaller than PNG, especially for photos and detailed graphics, which helps pages load faster and can improve Core Web Vitals.
PNG vs WebP
| Format | Transparency | Compression | Animation | Best for |
|---|---|---|---|---|
| PNG | Yes | Lossless | No | Logos, screenshots, graphics with text, and anything needing a transparent background. |
| WebP | Yes | Lossy or lossless | Yes | Websites: smaller files than JPG or PNG at similar quality, with transparency. |
When to convert PNG to WebP
- Speeding up a website, blog or online shop.
- Large PNG screenshots or product images on web pages.
- Any image served to modern browsers, which all support WebP.
Tips for the best result
- Use 80–90% quality for photos. For sharp UI screenshots, try 90% and compare.
- Keep the original PNG as your master copy for editing and print.
Frequently asked questions
How much smaller is WebP than PNG?
It depends on the image. Photos often shrink dramatically; simple flat graphics shrink less. The tool shows the before and after size for every file.
Is transparency kept?
Yes, WebP supports transparency.
Do all browsers support WebP?
All current major browsers display WebP. Some older software and email clients do not, so keep a PNG or JPG copy for those.
Can my browser save WebP?
Chrome, Edge, Firefox and other modern browsers can. If yours cannot, the tool tells you instead of producing the wrong format.
Last reviewed 2 October 2026. This converter runs in your browser; your images are never uploaded or stored.