100% Private In-Browser Tool
Convert PNG to WebP
Convert PNG graphics, logos, and screenshots into transparent WebP files with full alpha channel support — fully local and private.
Universal Image Converter
Convert JPG, PNG, WebP, and AVIF images directly in your browser.
Drag & drop image files here, or browse
Supports PNG images. 100% client-side local processing.
Batch Presets:
Target Format
80%
Smaller sizeBest quality
Privacy & Metadata
Zero server uploads. Processed in-browser worker.
Privacy GuaranteeYour images are processed purely inside Web Workers using HTML5 Canvas. No image data ever leaves your device.
Why use ImgZero for WebP?
Full transparency (alpha channel) support in output WebP
File size savings over heavy transparent PNGs
Lightning-fast local browser processing
Zero server uploads or storage
Frequently Asked Questions
Does WebP support transparency like PNG?
Yes. WebP supports transparent pixels (alpha channels) while achieving smaller file sizes than equivalent transparent PNG files — making it ideal for logos and UI graphics.
Is PNG to WebP conversion free?
Yes, ImgZero is 100% free. There are no file count limits, no account required, and no paywalled features.