Convert PNG to WEBP — Free Online Converter
Convert PNG images to WEBP instantly. No registration, no watermarks, files deleted after 5 minutes.
WebP combines PNG-style transparency with far better compression — typically 26 % smaller. It is the recommended format for web graphics and icons that require an alpha channel.
Convert PNG → WEBPHow to Convert PNG to WEBP
- Click Convert PNG → WEBP above to open the converter.
- Upload your PNG file (drag & drop or click to browse, max 5 MB).
- Select WEBP as the target format.
- Click Convert and download your WEBP file.
Tips for Converting PNG to WEBP
- Alpha transparency is fully preserved — transparent areas remain transparent in the WebP output.
- Lossless WebP mode produces a pixel-identical copy while saving approximately 26% in file size compared to PNG.
- For animated PNGs (APNG), this tool converts the first static frame only — not the full animation.
About PNG and WEBP Formats
| Property | PNG | WEBP |
|---|---|---|
| Full name | Portable Network Graphics | Web Picture format (Google) |
| Best for | Graphics, screenshots, transparency | Modern web images |
| Transparency | ✓ Yes | ✓ Yes |
| Lossless | ✓ Yes | ✗ No |
| Created by | PNG Development Group | |
| Year introduced | 1996 | 2010 |
| Max colour depth | 48-bit (16-bit/ch) | 32-bit (16M + alpha) |
| File extensions | .png | .webp |
| MIME type | image/png | image/webp |
About PNG: Portable Network Graphics
Lossless format with full transparency support, ideal for graphics, logos and screenshots.
Common uses: logos, icons, screenshots, web graphics, transparent images
Pros: lossless quality, transparency support, sharp edges
Cons: larger file size than JPEG, not ideal for photos
File extensions: .png
MIME type: image/png
Introduced: 1996 by PNG Development Group
About WEBP: Web Picture format
Modern Google format combining lossy and lossless compression with transparency and animation support.
Common uses: web images, e-commerce photos, web graphics
Pros: 30% smaller than JPEG, supports transparency, supports animation
Cons: limited support in older software, not ideal for print
File extensions: .webp
MIME type: image/webp
Introduced: 2010 by Google
Why Convert PNG to WEBP?
People convert PNG to WebP to add animation capabilities available in WebP, and to reduce file size significantly for faster web loading.
WebP (developed by Google in 2010) is supported by all major browsers — Chrome, Firefox, Safari, and Edge. Switching from PNG to WEBP for web delivery directly improves page load times and Core Web Vitals scores without any visible quality difference.
Frequently Asked Questions
Is it free to convert PNG to WEBP?
Yes, converting PNG to WEBP on convert-image.net is completely free with no registration required.
Will I lose quality when converting PNG to WEBP?
No quality loss occurs when converting to WEBP, as it uses lossless compression.
What is the maximum file size for PNG to WEBP conversion?
The maximum upload size is 5 MB. For larger files, consider compressing them first.
How long does PNG to WEBP conversion take?
Most conversions complete in under 5 seconds. Large or complex files may take slightly longer.
Is WEBP lossy or lossless?
WEBP supports both lossy and lossless compression modes. Our converter uses optimised settings for each conversion to balance quality and file size.
What file extension does WEBP use?
WEBP files use the .webp file extension.
PNG to WEBP: Privacy & Security
Files are stored temporarily on our server and deleted automatically after 5 minutes. All transfers use HTTPS encryption. No account, no tracking of individual files. See our Privacy Policy for details.