Will transparency remain transparent?
Yes, when the browser decodes the source transparency correctly. The preview uses a checkerboard so transparent areas remain visible.
- Transparency preserved
Guide
Create a modern WebP copy while keeping the source PNG on your device.
Convert a PNG image to a smaller WebP copy locally. Preserve transparency, choose quality, and compare the exact file sizes before download.
Clear answers
Create a modern WebP copy while keeping the source PNG on your device.
Convert a PNG image to a smaller WebP copy locally. Preserve transparency, choose quality, and compare the exact file sizes before download.
Is WebP always smaller than PNG?
Usually for photographs and complex images, but not always for tiny or simple graphics. The tool reports the exact result before download.
- Adjustable WebP quality
Does conversion happen locally?
Yes. The selected PNG is decoded and encoded by the browser on this device.
- Exact before-and-after size comparison
A local check
Create a modern WebP copy while keeping the source PNG on your device.
Convert a PNG image to a smaller WebP copy locally. Preserve transparency, choose quality, and compare the exact file sizes before download.
Selected file
Choose one PNG image.
Choose one PNG image.
Review before sharing
Adjustable WebP quality
Select the desired WebP quality.
Local verification
Convert and compare the source and output sizes.
Convert and compare the source and output sizes.
Download the WebP copy.
Four local steps
Is WebP always smaller than PNG?
- 01
Transparency preserved
Choose one PNG image.
- 02
Adjustable WebP quality
Select the desired WebP quality.
- 03
Exact before-and-after size comparison
Convert and compare the source and output sizes.
- 04
Transparency preserved
Download the WebP copy.
Browser privacy
Private PNG to WebP Converter
Transparency preserved
Yes, when the browser decodes the source transparency correctly. The preview uses a checkerboard so transparent areas remain visible.
Adjustable WebP quality
Usually for photographs and complex images, but not always for tiny or simple graphics. The tool reports the exact result before download.
Exact before-and-after size comparison
Yes. The selected PNG is decoded and encoded by the browser on this device.
Clear answers
Does conversion happen locally?
Yes. The selected PNG is decoded and encoded by the browser on this device.
- Animated PNG is not supported.
- Lossy WebP can change fine detail and color.
- Source metadata is not guaranteed to survive browser re-encoding.
Private workspace
Private PNG to WebP Converter
Create a modern WebP copy while keeping the source PNG on your device.