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Convert PNG to WebP online free using our fast and easy image converter tool. Reduce image file size by up to 35% while preserving transparency, optimize graphics for modern websites, and improve page loading speed. Batch convert multiple PNG files securely in your browser — no signup required.
Drag & drop or click to select multiple PNG files (Max 10MB each)
Our free PNG to WebP converter helps you switch to next-gen image formats for better compression and faster websites. Ideal for SEO optimization, Core Web Vitals improvement, transparent graphics, logos and UI assets.
Drag & drop or click to select one or multiple PNG files.
Use the sidebar to adjust quality and choose whether to preserve transparency.
Click "Convert to WebP" to process all files at once.
Save individually or download all converted files as a ZIP archive.
Converting PNG to WebP helps reduce image file size without losing visual quality while keeping transparency intact. WebP is designed for modern web performance, faster page loads, and improved SEO scores.
WebP compresses PNG images significantly smaller, speeding up your website without sacrificing visual quality.
WebP supports alpha transparency just like PNG. Choose to preserve or replace transparent areas with a white background.
Use the quality slider to fine-tune the balance between file size and image sharpness for your specific use case.
| Feature | PNG | WebP |
|---|---|---|
| File Size | Baseline | 25–35% smaller |
| Transparency | ✅ Supported | ✅ Supported |
| Compression | Lossless only | Lossy & lossless |
| Browser Support | All browsers | 96%+ of browsers |
| Best For | Graphics, icons, print | Web performance, SEO |
Upload your PNG files, set quality and transparency options in the sidebar, then click 'Convert to WebP'. Download files individually or all at once as a ZIP.
Yes! Upload as many PNG files as you need and convert them all in one click. Use 'Download all' to get a ZIP archive of all converted WebP files.
Yes — WebP supports alpha transparency. Use the 'Preserve' option in the sidebar to keep transparent areas. Switch to 'White BG' to fill them with a white background instead.
WebP delivers 25–35% smaller file sizes than PNG at similar quality, while still supporting transparency. This makes it the better choice for websites where loading speed matters.
The quality slider (50–100%) controls WebP lossy compression. 85% is a solid default — it gives excellent quality with meaningful size savings. Higher values are better for detailed graphics.
At 85% quality or above, differences are very hard to notice. The sidebar shows you the exact file size comparison after each conversion.
WebP is supported in Chrome, Firefox, Edge, and Safari 14+ — covering over 96% of global browser usage.
You can upload PNG files up to 10MB each.
Absolutely. All conversion happens locally in your browser — your images are never uploaded to any server.
Upload PNG images, adjust quality and transparency settings, click convert and download WebP files instantly. Batch conversion is supported.
PNG uses lossless compression and supports transparency, while WebP offers better compression with smaller file sizes and also supports transparency.
Yes, this PNG to WebP converter works perfectly on Android and iPhone browsers.