Files are processed locally in your browser and never uploaded
PNG to WebP
Convert PNG images to WebP. WebP keeps the transparent background while typically being much smaller than PNG at the same quality — perfect for the web.
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Click , or drag & drop files here
Supports .png,image/png · Multiple files allowed · Files are processed locally in your browser and never uploaded
WebP is a modern image format from Google that is often much smaller than PNG while keeping transparent backgrounds. This guide explains how it works and how to use it.
Why is WebP smaller than PNG?
WebP uses more advanced compression algorithms. At the same quality it is typically 25%–35% smaller than PNG, while fully preserving transparent backgrounds.
For web use, switching to WebP is an instantly effective optimization: smaller images mean faster page loads and less bandwidth.
Lossy vs lossless modes
Lossless WebP keeps all pixel information and suits assets that need exact reproduction; files are larger than in lossy mode.
Lossy WebP compresses by discarding visually insignificant detail, producing smaller files. The default 80–90 quality is enough for most images.
Is the transparent background preserved?
Yes. WebP supports an alpha transparency channel, so transparent areas in the PNG are preserved as-is — one reason WebP suits web images better than JPG.
How compatible is it?
Chrome, Edge, Firefox, and Safari 14 or later all natively support WebP.
If the file will be sent to someone using older software or an older system, confirm first that they can open WebP.
FAQ
Does PNG to WebP lose quality?
It depends on the mode: lossless mode loses nothing; lossy mode loses a little detail, usually hard to notice with the naked eye, and produces smaller files.
Does WebP support transparent backgrounds?
Yes. Like PNG, WebP includes a transparency channel, and transparent areas are preserved as-is.
How do I choose the quality parameter?
For web images, the default 80–90 is fine. For strict quality requirements, choose lossless or 95 and above. When size matters most, dropping to around 70 is acceptable.
Are images uploaded to a server?
No. Conversion happens entirely locally in your browser.
Is batch conversion supported?
Yes. Upload multiple PNG files at once and download them as a ZIP after conversion.
Which browsers support WebP?
Chrome, Edge, Firefox, and Safari 14 or later all support it — no plugins needed.