Add PNG files
Drop, click, or paste one or more PNG images into the browser-based workspace.
Free PNG to WebP converter
Convert PNG to WebPlocally, for the web.
Turn PNG files into WebP images in your browser, with transparency preserved where the browser supports it. WebP can be a practical web-delivery format, but this fixed-quality conversion is not a guarantee of smaller files or pixel-identical output—check each result before publishing.
- Private by design
- Default WEBP
- Paste supported
Files stay in this browser
All conversion runs on-device
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About this converter
Free PNG to WEBP conversion, built for a real workflow.
PNG is lossless, which makes it a dependable choice for screenshots, logos, interface assets, and transparent graphics. WebP supports alpha transparency and is widely supported by current browsers, making it useful when a site or CMS accepts WebP. This tool encodes with the browser's WebP canvas encoder at a fixed quality setting, so the final size and visible detail depend on the source image and browser. Compare the downloaded file with the original when file weight or exact pixels matter.
- WebP keeps alpha transparency; transparent PNG areas are not flattened by this conversion.
- The converter uses a fixed WebP quality setting rather than a per-file quality control.
- WebP often suits current-browser delivery, but use a PNG or other fallback when you must support older software or browsers.
- A WebP result can be smaller, similar in size, or larger depending on the PNG's content; download and inspect it before replacing a production asset.
How it works
Upload once.
Export WEBP.
Keep WebP selected
WebP is the default output for this route. The workspace uses its fixed browser encoder; there is no quality slider to tune per file.
Convert, inspect, and download
Create the WebP files, then compare transparency, visible detail, and file size before using them on a site or in an app.
Made for real pipelines
PNG to WEBP.
One workspace.
Convert without uploading your assets. Switch outputs anytime — web, print, icons, and document targets from the same batch.
Convert PNG to WebPBrowser-local conversion
Convert PNG files in the browser without sending them to a conversion server.
Transparency-aware WebP
Create WebP output without flattening transparent PNG areas.
Review before replacing
File size and image detail vary by source and browser encoder, so inspect each WebP before production use.
Good to know
Questions, answered.
Is this PNG to WebP converter free?+−
Yes. You can convert PNG files to WebP here without an account or sign-up.
Are PNG files uploaded to a server?+−
No. This converter runs in your browser, so PNG files are not sent to a conversion server.
Does PNG transparency carry over to WebP?+−
WebP supports alpha transparency, and this conversion does not flatten transparent PNG areas. Check the downloaded file in your target browser or app as part of your workflow.
Will converting PNG to WebP always make the file smaller?+−
No. WebP can reduce file size for many images, but the result depends on the image content and the browser encoder. This tool uses a fixed quality setting, so compare the downloaded WebP with the original PNG when size matters.
Will PNG to WebP keep every pixel exactly the same?+−
Do not treat this as a lossless archive conversion. The WebP output uses a fixed-quality browser encoding, which can change image data. Review text, sharp edges, gradients, and other important details before publishing.
Where can I use a WebP image?+−
WebP works in current major browsers and many modern web workflows. If your audience uses older browsers, software, or a platform with format restrictions, keep a compatible fallback such as the original PNG.