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PNG to WebP Converter – Free Online

Choose PNG files, convert them to WebP locally in your browser, and download the results. The image editor accepts up to 20 files, each up to 50 MiB, and no sign-up is needed.

Why use this converter?

WebP output ready to use

Turn PNG files into WebP for websites, design tools, documents, sharing, and publishing.

Control quality and file size

Use the settings available for WebP to balance clarity, compatibility, and download size.

Private browser processing

The conversion runs on your device. Your files are not uploaded to an image conversion server.

How it works

  1. 1

    Choose PNG files

    Select or drop the PNG files you want to convert.

  2. 2

    Convert to WebP

    WebP is selected in advance. Start the conversion and review the result.

  3. 3

    Download WebP

    Download one WebP file or a ZIP when converting multiple files.

Format facts

PNG
PNG (Portable Network Graphics) is a lossless raster format that keeps the exact value of every pixel.
Transparency
Supports full alpha transparency, so a transparent background stays transparent.
Typical use
Common for screenshots, logos, and graphics with sharp edges that need a transparent background.
Browser support
Supported natively by every modern browser and OS; this tool's only limit is the 50 MiB upload cap.
WebP
WebP is a modern raster format from Google that supports both lossy and lossless compression.
Transparency
Supports alpha transparency in both lossy and lossless modes.
Typical use
Used for faster-loading websites; typically 25-35% smaller than an equivalent JPG or PNG at similar quality.
Browser support
Supported by every current browser; some older image editors and legacy tools still expect JPG or PNG.

Does PNG to WebP keep transparency?

Yes. WebP supports alpha transparency in both its lossy and lossless modes, so a transparent PNG background stays transparent after conversion.

WebP's lossy mode can shrink a PNG considerably, which is useful for graphics and illustrations where PNG's lossless compression produces a larger file than necessary.

Frequently asked questions

Will converting PNG to WebP keep my transparent background?

Yes, WebP supports transparency the same way PNG does.

Is WebP always smaller than PNG?

Usually, especially for photographic content; simple graphics with few colors sometimes compress similarly in both formats.

Will older browsers display my WebP images?

All current major browsers support WebP natively; keep a PNG fallback if you still need to support very old browser versions.

Can I convert multiple PNG files together?

Yes, add up to 20 files and download results individually or as a ZIP.

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