PNG to WebP Converter
Convert PNG/APNG images to WebP format — preserve alpha transparency, reduce file size by up to 26% while maintaining quality. 100% free, no upload, runs entirely in your browser.
Bookmark This Tool
Press Ctrl + D (or ⌘ + D on Mac) to save this tool for instant access next time!
How to Use PNG to WebP Converter
Upload Your Image
Select or drag and drop your PNG image files up to 20MB each. The tool immediately displays a visual preview on the screen.
Configure Custom Settings
Adjust compression ratio, quality sliders, or enter a max width. Alpha transparency from PNG files is automatically preserved.
Process Local Image
Click the conversion button. The processing runs locally in your browser using the HTML5 Canvas API, ensuring lightning-fast results without any lag.
Download Converted Assets
View the real-time space saving percentages, file sizes, and download the optimized images instantly — either individually or all at once.
Frequently Asked Questions
Yes, converting PNG to WebP fully preserves the alpha transparency channel, allowing you to keep transparent backgrounds at much lower file sizes.
Absolutely. Unlike other online converters that upload your files to external servers, our tool processes everything locally on your computer. Your photos never leave your device, ensuring 100% privacy and security.
WebP provides lossless compression that is up to 26% smaller in size compared to PNGs. It also supports lossy transparency, allowing you to compress the image quality to save even more space while maintaining high visual fidelity.
Yes! Our tool supports batch processing. You can upload up to 20 images at a time and convert them in a single batch, then download them all at once.