Transparency stays intentional
The output remains alpha-capable, avoiding the opaque background introduced by a JPEG conversion.
Convert PNG to WebP
Convert PNG images to WebP locally while retaining transparency and controlling output quality and dimensions.
Local processingBatch readyIndividual or ZIP download
Settings
Upload and compress images
Drop or paste images here
PNG only. Add one file or a whole batch.
- PNG
Local files never leave your device.
Turn transparent PNGs into lighter delivery assets.
PNG-only intake and a preselected WebP output make the conversion explicit. Transparency stays intact while Smart or manual quality controls the delivery tradeoff.
- Accepted input
- PNG
- Preselected output
- WebP
- Transparency
- Retained in WebP
No automatic victory claim
Actual savings and growth are both shown. An unhelpful conversion never needs to replace the source PNG.
How it works
PNG pixels, alpha data and filenames remain local. No upload endpoint is used for files selected from your device.
Choose PNG assets
Add verified PNG files. JPEG, WebP and AVIF inputs are rejected on this focused route.
Set the tradeoff
WebP is selected from the first render. Adjust quality or dimensions without changing the alpha-capable destination.
Inspect and download
A browser worker converts the batch and exposes previews, byte differences and correctly suffixed WebP downloads.
Useful for
- Create smaller transparent logos and interface assets for compatible browsers.
- Convert large screenshot batches while keeping their original dimensions.
- Compare WebP delivery files against losslessly optimized PNG sources.
Questions about convert png to webp
Does PNG-to-WebP keep transparency?
Yes. WebP supports an alpha channel, and this conversion path preserves transparent pixels. The preview lets you inspect the result before download.
Is WebP always smaller than PNG?
WebP can be much smaller for photographic or complex PNGs, but simple or already-optimized assets may not improve. Use the reported byte comparison for each file.
Is the converted WebP lossless?
The current WebP output uses adjustable lossy quality. Keep PNG when you require a lossless source asset; use this route when a smaller delivery asset is the goal.