FreeWebP

PNG to WebP Converter

Convert PNG images to WebP — transparency preserved.

No upload. Your files stay on your device.

How to convert PNG to WebP

  1. 1 Upload one or more PNG images using the drop zone above.
  2. 2 Keep WebP selected as the output format.
  3. 3 Adjust quality; use 90+ for crisp graphics or 100 for lossless output.
  4. 4 Click Convert Images and preview the smaller WebP files.
  5. 5 Download converted files individually or as a ZIP.
Private by design — your images are processed locally and never leave your device.
Batch processing supported

Drop images here

or click to upload · paste from clipboard

Supports JPG, PNG, WebP, AVIF, SVG, HEIC, and ICO · Up to 20 images at a time

.jpg.jpeg.png.webp.avif.svg.heic.heif.ico

Output Format: WebP

80%
Smaller fileHigher quality

Max Size (optional, keeps aspect ratio)

Why convert PNG to WebP?

PNG files are lossless and can be large. Converting to WebP reduces size by up to 26% without visible quality loss at quality 85+. WebP also supports alpha transparency, making it a true PNG replacement for the web. All modern browsers support WebP, so you can safely switch without worrying about compatibility.

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Frequently Asked Questions

Is my PNG uploaded when I convert it?
No. All conversion happens locally in your browser. Nothing is sent to any server.
Will WebP preserve PNG transparency?
Yes. WebP supports alpha transparency, so transparent areas in your PNG will be preserved in the output WebP.
PNG is lossless — will converting to WebP reduce quality?
At quality 90+, the difference is invisible to most eyes. For lossless output use quality 100, though file sizes will be larger.
Can I batch convert PNG files?
Yes. Select or drag up to <strong>20 PNG files</strong> and download them all in one ZIP file.