What it is
The PNG to WEBP Converter is a free online tool that turns PNG files into WEBP without installing anything and without uploading your image anywhere.
WebP was built by Google to replace both JPG and PNG on the web, and it keeps the one thing that usually forces people to stay on PNG: transparency. A logo or an icon converted to WebP keeps its transparent background and often loses more than half of its weight.
How to use it
- Add your file, by dragging it in or picking it from your device.
- Wait for the conversion, which finishes in a moment.
- Download the WEBP, ready to use.
You can convert several files in the same session, one after another.
Your file never leaves your device
This is the part worth reading twice. The conversion runs entirely inside your browser, using the image engine your browser already has. Your file is not uploaded to a server, not stored, and not seen by anyone.
That matters more than it sounds. Photos carry metadata: the model of the camera, the date, and often the exact GPS coordinates where the picture was taken. Sending a personal photo to a conversion site means handing all of that to a stranger. Here there is nothing to hand over, because nothing is sent.
It also means there is no queue, no daily limit, and no account. The only ceiling is your own device: a very large file on an old phone may take a few seconds.
What to expect from the result
PNG is still the safer choice when a file has to be opened by an old program, attached to an official form, or pasted into software that predates 2020. On the web, WebP wins on size almost every time.
Need something else? Try the image compressor to make a file lighter without changing its format, or the image resizer to change its dimensions.