Convert PNG to WebP
Turn heavy PNGs into smaller, web-ready WebP files — transparency kept, quality intact, entirely in your browser. No uploads, no limits.
Every conversion happens on your device. Your images are never uploaded to any server.
Drop your images here
Or click to choose files — they never leave your device.
0 ready
No images added yet.
- 100% in your browser
- Keeps transparency
- Free and unlimited
How to convert PNG to WebP
Add your PNG files
Drag your .png images into the box above, or click to choose them from your device.
Press Convert
Set a quality level to balance size and detail, then hit Convert. Everything runs locally in your browser.
Download your WebP files
Save each image, or grab them all at once in a single ZIP file.
Why use this converter
Much smaller files
PNGs are often heavy. WebP can shrink them dramatically while keeping the image — and its transparency — looking great.
Transparency preserved
WebP supports transparency, so logos, icons, and cut-out graphics keep their see-through areas.
Free with no limits
Convert as many images as you need, in batches, with no caps and no sign-up.
What is WebP?
WebP is a modern image format developed by Google for the web. It compresses more efficiently than PNG, so an image can keep its sharpness and transparency while taking up far less space.
That smaller size is the whole point: lighter images load faster, and faster pages mean a better experience for visitors and stronger search rankings. WebP supports transparency just like PNG, so you rarely give anything up by switching.
Why convert PNG to WebP?
PNG is excellent for quality and transparency, but the files can be large — and large images are one of the most common reasons web pages load slowly. Converting PNG to WebP can cut that weight substantially while keeping the transparency intact.
For websites, blogs, and online stores, lighter images mean faster load times, which visitors notice and search engines reward through Core Web Vitals. WebP gives you PNG-style transparency at a fraction of the size.
PNG vs WebP — when to use each
Use WebP when the image is headed for the web and you want it as light as possible while keeping transparency — almost every modern browser supports it.
Keep PNG when you need maximum compatibility with older software, lossless archival quality, or editing in tools that don't support WebP. A simple rule — WebP to publish online, PNG to edit or archive.
Other ways to convert PNG to WebP
Prefer to do it without a converter? Here are the built-in options on each platform.
Windows
- Open the PNG in Paint.
- Choose File, then Save as.
- Pick WebP from the format list and save.
Mac
- Open the PNG in an image editor that supports WebP export.
- Choose the export or Save as option.
- Select WebP as the format, set the quality, and save.
iPhone & Android
- Open the PNG in a photo editor that supports WebP.
- Use the Save as or Export option.
- Choose WebP as the output format, or use this converter right in your mobile browser.