Convert PNG to WebP Online — Free
Convert your PNG images to WebP for dramatically smaller file sizes while preserving transparency. WebP offers both lossy and lossless compression with transparency support, making it the best of both worlds. Everything runs locally in your browser.
How to Convert PNG to WebP
Upload PNG Files
Drag and drop or click to select your PNG images. You can upload up to 100 files at once for batch conversion.
Adjust Settings
The output is set to WebP. Fine-tune quality and dimensions if needed, then click the Convert button.
Download WebP Files
Download each converted image individually, or grab all files as a single ZIP archive.
Why Convert PNG to WebP?
WebP provides significantly better compression than PNG while still supporting transparency. Lossless WebP files are typically 26% smaller than equivalent PNGs, and lossy WebP with transparency can be even smaller. This is ideal for web developers who need transparent images without the large file sizes of PNG.
PNG vs WebP
| PNG | WebP | |
|---|---|---|
| File size | Larger | 26%+ smaller |
| Transparency | Supported | Supported |
| Compression | Lossless only | Lossy & lossless |
| Best for | Any graphics | Web optimization |
Frequently Asked Questions
Does WebP support transparency like PNG?
Yes. WebP fully supports alpha channel transparency, just like PNG. This makes it an excellent replacement for PNG on the web, offering the same transparency with much smaller file sizes.
Is WebP lossless like PNG?
WebP supports both lossy and lossless compression. When converting from PNG, you can choose lossless mode to maintain exact pixel quality, or lossy mode for even smaller file sizes with minimal visual difference.
Why should I use WebP instead of PNG?
WebP files are significantly smaller than PNG files (26% or more), which means faster page loads and better user experience. All modern browsers support WebP, making it a practical replacement for PNG on the web.
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