ConverterStack
Current theme: System

PNG to WEBP

Shrink PNG images into smaller WEBP files. Everything happens on your device — no upload, no waiting, no limits.

From
PNG (.png)
To
WEBP (.webp)
Advanced options
  • WEBP is a lossy format — lower the quality for smaller files, raise it to keep detail.

Drop PNG files here, or use the button below

Converted on your device — your files are never uploaded.

About these formats

PNG — Portable Network Graphics
Lossless raster format with transparency — best for logos and screenshots.
WEBP — WebP image
Modern web format that beats both PNG and JPG on file size.
  • WEBP is a lossy format — lower the quality for smaller files, raise it to keep detail.

Other PNG conversions

Private by design — no upload, no sign-up

This PNG to WEBP converter runs locally, using your own browser. Your files are never uploaded to a server, so they stay on your device from start to finish.

Are my PNG files uploaded to a server?
No. The PNG to WEBP conversion runs locally in your browser using your own device's CPU. Your files are never uploaded, never transmitted over the network and never stored on a server.
Is there a file size limit for PNG to WEBP?
There is no imposed limit, because nothing is uploaded. The practical ceiling is your device's available memory, so very large files may be slower on older hardware.
Does it work offline?
Yes. Once the page has loaded, converting PNG to WEBP keeps working without a network connection, since the conversion happens entirely on your device.
Do I need to sign up or install anything?
No. There is no sign-up, no account and no software to install. Pick a PNG file and convert it to WEBP straight away.
Is converting PNG to WEBP free?
Yes, it is free to use, with no watermarks and no daily quota.