PNG to WebP Converter — Batch Convert Free
Drag & drop images here
or click to select files
Max 10 files, 10MB each
Your files never leave your browser. All processing happens locally.
Convert your PNG images to WebP format and reduce file sizes by up to 35% without losing quality. WebP is the modern image format recommended by Google for faster web pages. All processing happens in your browser — your files never leave your device.
How to Convert PNG to WebP
- Drag and drop your PNG files or click to select
- Adjust the quality slider (85% is a good balance)
- Click "Convert to WebP" to process
- Download individual files or all as a ZIP
Real Savings: PNG vs WebP
| Image Type | PNG Size | WebP Size | Saved |
|---|---|---|---|
| UI Screenshot (1920×1080) | 2.1 MB | 680 KB | 68% |
| Logo with transparency | 340 KB | 95 KB | 72% |
| Icon set (256×256) | 48 KB | 18 KB | 63% |
| Product photo (no bg) | 1.4 MB | 380 KB | 73% |
💡 PageSpeed impact: Switching 10 PNG images to WebP on a typical page can improve LCP by 0.5-1.5 seconds.
Why WebP?
- Smaller files — 25-35% smaller than PNG on average
- Transparency support — Full alpha channel support like PNG
- Better Core Web Vitals — Faster LCP improves SEO
- Universal support — Works in all modern browsers
Frequently Asked Questions
Why convert PNG to WebP?
WebP images are typically 25-35% smaller than PNG with similar quality. This means faster page loads and better Core Web Vitals scores.
Is this converter free?
Yes, completely free with no signup required. Convert unlimited PNG files to WebP.
Are my images uploaded to a server?
No. All conversion happens in your browser. Your files never leave your device.
Does WebP support transparency?
Yes! WebP fully supports transparency (alpha channel) just like PNG, but with smaller file sizes.
Which browsers support WebP?
All modern browsers support WebP including Chrome, Firefox, Safari, and Edge. For older browsers, consider serving PNG as a fallback.
Related Tools
Need to compress, resize, and convert?
Do it all in one flow with our Image Workflow tool.