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Free image tool

PNG to WebP

Convert a PNG screenshot or transparent graphic to WebP in your browser when its encoder is available. Compare the result before replacing the original.

Common formats stay in your browser. Advanced conversions are deleted from the server immediately.
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PNG to WebP: check transparency, lettering and file size together

A transparent PNG or screenshot can be worth converting for web delivery, but its fine edges deserve attention. The WebP quality setting can change small lettering and linework, so compare at the size readers will actually see.

How to convert PNG to WebP

  1. Add the PNG source

    Select one PNG graphic, screenshot or picture. PNG and WebP are already selected on this dedicated route.

  2. Set quality before reducing dimensions

    Choose a quality appropriate for the graphic. Leave resizing off initially for a direct comparison; reduce dimensions only if the destination needs a smaller picture.

  3. Inspect the saved WebP

    Review transparency, letter edges and thin lines, then compare the reported byte sizes. Open the downloaded copy in the app or publishing system that will use it.

PNG and WebP for screenshots and graphics

PropertyPNG sourceWebP copy
TransparencyMay contain transparent or partly transparent pixels.WebP output supports transparency; it does not create it in an opaque source.
Sharp detailLossless PNG encoding.The quality setting can alter text and high-contrast edges.
Download sizeCan be large for photographic content.Compare actual bytes; not every PNG becomes smaller.
DimensionsCurrent raster width and height.Kept unless optional resizing is enabled.

Choose the right workflow

Publish a transparent graphic

Keep the original PNG for later editing. Check the WebP on both light and dark page backgrounds so faint edge artifacts are easier to spot.

Trim a screenshot before publishing

Remove unrelated borders or empty space before conversion. Cropping can reduce the area you need to encode without shrinking all the text.

Crop the source screenshot

Check these things before trying again

Text has become fuzzy

Raise quality and convert again from the original PNG. If exact lettering is essential, keep PNG instead of repeatedly encoding the WebP.

There is little size reduction

The source may already be efficient, or the chosen quality may preserve most of its complexity. Resize for the actual display area when smaller dimensions are acceptable.

Resize the graphic

Processing, privacy and the original file

This conversion uses browser WebP encoding where available, with the own-server converter as a fallback. Server temporary copies are deleted after the request. The file limit is 30 MB. This tool creates a new raster copy; do not rely on it to preserve embedded metadata, animation or every source color property.

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Helpful answers

Frequently asked questions

Can WebP keep the PNG transparency?

Yes, supported alpha pixels can be retained. An opaque PNG remains opaque; changing the format does not remove its background.

Which setting matters for small screenshot text?

Inspect the quality setting carefully. Lower quality can soften lettering and high-contrast edges; raise quality from the original PNG or keep PNG when exact detail matters.

Will this preserve every property of the source?

The quality setting can alter small text and sharp edges. Transparency is supported, but a smaller file is not guaranteed. Check the output at its intended display size.

Is the source replaced or retained on the server?

Your original file is not modified. Browser conversions do not upload the image. Server conversions use temporary copies that are removed immediately after producing the response, including on a conversion error.

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