Image Converters

PNG to WebP Converter

Convert PNG images to WebP for significantly smaller file sizes with minimal quality loss. WebP typically achieves 25-35% better compression than PNG, see the exact savings before downloading.

Browser-only, no upload needed Original file untouched Instant download

Drop your PNG file here

or click to browse

PNG
Options
25%50%75%100%

All image processing uses your browser's Canvas API; files never leave your device

Input File Output Downloadable file Browser-only No upload by default

Features

  • Quality slider for WebP output
  • Shows before/after file size reduction
  • Handles transparent PNGs (alpha preserved in WebP)
  • No upload, Canvas API processing
  • Instant download

How to use it

  1. Drop your PNG file.
  2. Adjust quality (default 88%).
  3. Download the .webp file.

Use cases

  • Optimising website images for faster loading
  • Reducing CDN storage costs
  • Preparing images for modern web deployments

Limitations

  • WebP can preserve transparency while often producing a smaller file than PNG.
  • Browser canvas export may remove embedded metadata and color profile information.
  • Very large images depend on available browser memory and device performance.
See also

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Questions & answers

Frequently asked

Does WebP support transparency?

Yes. Unlike JPEG, WebP fully supports alpha transparency, transparent PNG areas are preserved in the output.

Does PNG to WebP upload my image?

Your file is processed in your browser and is not uploaded.

What does PNG to WebP create?

It creates a WebP file. WebP can preserve transparency while often producing a smaller file than PNG.

Will PNG to WebP preserve every image detail?

Format conversion, resizing, compression, and browser canvas export can change metadata, color profiles, transparency, or exact encoding details. Review the result before using it.