How to convert PNG or JPG to WebP
WebP is a modern image format that is typically 25–35% smaller than JPG or PNG at the same quality, which makes web pages load faster and Core Web Vitals scores better. This converter runs locally in your browser.
Open the WebP ConverterStep by step
- 1
Open the WebP converter
Open the WebP converter — free and no sign-up.
- 2
Add your PNG or JPG
Select one or more images to convert.
- 3
Choose a quality level
Pick a quality; 75–85 is usually indistinguishable from the original at a much smaller size.
- 4
Download the WebP files
Convert and download your smaller WebP images.
Tips
- Use lossless WebP for logos and graphics with sharp edges; lossy WebP for photographs.
- WebP supports transparency, so it can replace a PNG and still keep the alpha channel — usually at a fraction of the size.
- All current browsers support WebP; keep a JPG/PNG fallback only if you must support very old software.
Frequently asked questions
Is WebP smaller than JPG and PNG?
Usually yes — WebP is typically 25–35% smaller than JPG and much smaller than PNG at comparable quality, which speeds up page loads.
Does WebP support transparency?
Yes. Unlike JPG, WebP supports an alpha channel, so it can replace transparent PNGs while staying smaller.
Are my images uploaded to convert them?
No. Conversion runs in your browser and your images never leave your device.