Convert PNG graphics to WebP for smaller files with full transparency support. Add files, set quality, and download.
To use this tool comfortably, open it on a laptop, desktop computer, or tablet in landscape mode.
Tip
If you are using a tablet, switch it to landscape mode - when the window width is large enough, the tool will load automatically.

PNG is a lossless format that produces relatively large files — ideal for editing but heavy for web delivery. WebP typically produces files 50–70% smaller than PNG at comparable visual quality, making it one of the most effective image optimizations for websites.
WebP supports both lossy and lossless compression modes, alpha transparency, and millions of colors. It is supported by all modern browsers: Chrome, Firefox, Safari 14+, and Edge. Lossy WebP at quality 80 is visually indistinguishable from lossless PNG for most images.
If transparency is important, WebP preserves it from the original PNG. Google PageSpeed Insights recommends serving images in next-gen formats like WebP for better Core Web Vitals scores.
All processing happens locally in your browser — nothing is sent to any server. No registration, no limits, no watermarks.
Businesses, developers, and creators worldwide rely on image format compatibility. Whether you are preparing product images for Amazon, eBay, Etsy, Shopify, optimizing graphics for WordPress, Wix, Squarespace, or converting photos for government portals worldwide, having the right format matters.
Modern web standards increasingly favor efficient formats. Google PageSpeed Insights and Core Web Vitals metrics reward pages that use optimized images. Converting PNG to WebP can directly improve your Largest Contentful Paint (LCP) score, which impacts both search rankings and user experience.
For email marketing campaigns and social media, WebP provides excellent compression while maintaining visual quality. Whether you are a freelancer, small business owner, or enterprise user, this converter handles your image conversion needs reliably and securely.
| Feature | PNG | WebP |
|---|---|---|
| Lossy compression | ||
| Lossless compression | ||
| Transparency (alpha channel) | ||
| Animation support | ||
| Web browser support | All browsers | Chrome 32+, Firefox 65+, Edge 18+, Safari 14+ |
| Color depth | 8/16-bit | 8-bit (16.7M) |
| Compact file size | ||
| Metadata (EXIF) |
The quality slider lets you set a value from 60% to 95%. Higher values mean better image quality but larger file sizes.
At 80% quality, WebP produces results that are visually indistinguishable from lossless PNG for most photographic content. For pixel-perfect accuracy, use WebP lossless mode if available.
PNG is lossless and produces relatively large files. WebP provides substantial savings:
Screenshot
PNG: 1.2 MB → WebP: 280 KB
Product photo
PNG: 3.5 MB → WebP: 420 KB
Icon / logo
PNG: 45 KB → WebP: 18 KB
Actual savings vary depending on image content and quality settings. The converter shows exact sizes for each file.
Yes, this PNG to WebP converter is completely free with no limits. You can convert as many files as you need without registration or watermarks.
No. All processing happens locally in your browser using JavaScript and Canvas API. Your files never leave your device, ensuring complete privacy and security.
WebP supports lossless compression, so you can preserve the original image quality completely. If WebP also supports lossy mode, you can choose lower quality for smaller files.
Yes, the converter supports batch conversion. You can add multiple PNG files and convert them all to WebP simultaneously. Use the batch download option to save all converted files at once.
WebP is supported by Chrome, Firefox, Safari 14+, Edge. For older browsers that don't support WebP, you can use the HTML <picture> element to provide a fallback format like JPG or PNG.
There is no hard file size limit since processing happens in your browser. However, very large files (over 50 MB) may take longer to process depending on your device's available memory and processing power.
Yes, the converter works on any device with a modern web browser, including smartphones and tablets. The interface adapts to your screen size for a comfortable experience on any device.

Have an idea, found a bug, or want to suggest a feature? Drop us a message - we respond within 24 hours.