Does WebP keep my PNG's transparency?

Yes, WebP supports transparency, so transparent PNG areas stay transparent in the converted file.

Should I keep the original PNG?

Keep a PNG master for editing and archival use, and use the WebP copy for faster-loading websites.

Image Conversion

PNG to WebP

Reduce web image weight while preserving transparency. Your files stay on your device during processing.

Private local processing

Your file stays in this browser.

Drop your files here

PNG · maximum 25 MB per file

Click here, then press Ctrl+V to paste

Files stay on this device for this tool and are not uploaded.

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Related tools

Image Converter

Batch convert JPG, PNG and WebP images.

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JPG to PNG

Convert JPG photos to widely supported PNG files.

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PNG to JPG

Create compact JPGs with a selectable background.

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JPG to WebP

Make modern WebP images from JPG photos.

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About PNG to WebP

Convert PNG graphics to smaller WebP images while keeping transparency, for faster-loading modern websites.

WebP is often a better delivery format for websites, while PNG remains useful for archival lossless graphics and maximum design-tool compatibility.

What the result contains

A separate result that reduce web image weight while preserving transparency. The source remains unchanged in the current browser session.

Supported formats

How to use PNG to WebP

Choose the source files in a supported format (PNG) and confirm the displayed file details.
Prepare the available controls for this practical goal: Reduce the weight of website icons and illustrations
Run PNG to WebP and confirm that the new result matches the stated outcome before saving it.
Check this known constraint before download: Some design tools and legacy systems still expect PNG rather than WebP If needed, revise the settings and create another version from the retained source.

Practical example

Reduce the weight of website icons and illustrations. Use a representative source, compare the output with the original, and keep the version that meets the destination's requirements.

When to use PNG to WebP

Reduce the weight of website icons and illustrations
Prepare transparent graphics for a modern content system
Shrink PNG screenshots before sharing online

Important limitations

Some design tools and legacy systems still expect PNG rather than WebP
Very high quality settings narrow the file-size advantage over PNG

Troubleshooting PNG to WebP

The result is different from what you expected

Some design tools and legacy systems still expect PNG rather than WebP Return to the retained source, adjust the relevant setting and create a fresh result rather than repeatedly processing the output.

Private local processing

The file is processed on this device and is not uploaded to MyFileNest. Closing or refreshing the page clears the active session.

Frequently asked questions

Practical limit: Files up to 25 MB are accepted for guests. Very large dimensions, complex documents or limited device memory can affect browser processing.