Smaller File Sizes
Reduce image size while keeping excellent visual quality.
Convert PNG images into optimized WebP files to significantly reduce file size while keeping transparency and excellent visual quality. Fast, free, and browser-based.

Optimize images for faster loading and easier sharing.
Large PNG images can slow down websites, consume more storage, and take longer to upload or share.
Converting PNG to WebP reduces image file size while preserving transparency and excellent image quality, making your images ideal for websites, blogs, online stores, emails, and cloud storage.
Convert your image in three simple steps.
Choose the PNG image you want to optimize.
Our converter automatically creates a smaller, optimized WebP image.
Save the optimized image with a reduced file size.

Smaller files without compromising quality.
Reduce image size while keeping excellent visual quality.
Upload optimized images more quickly.
Store more images using less disk space.
Compatible with Windows, Mac, Android, iPhone, and tablets.
WebP images are much smaller than traditional PNG files while keeping transparency and excellent visual quality. This makes them ideal for websites, online stores, blogs, cloud storage, and faster image delivery.
Find answers to common questions about this tool.
Convert PNG images into smaller WebP files online with iMZi PDF.