PNG to WebP Converter —
Smaller Files, Transparency Kept
Our free PNG to WebP Converter reduces file size by 50–80% while preserving full alpha transparency. Perfect for logos, icons, and UI elements. Batch convert up to 20 PNG files online — no signup, no watermark.
PNG to WebP Converter — Online & Free
Transparency preserved · Smaller files · Batch convert up to 20
Drop PNG files here
or click to browse — up to 20 files at once
How to Use the PNG to WebP Converter Online
Upload PNG Files
Drop one or multiple PNG files into the PNG to WebP Converter. Transparent PNGs work perfectly — alpha is preserved automatically.
Choose Conversion Mode
Select Lossy WebP at 85% for the smallest file size, or Lossless WebP for pixel-perfect, zero quality-loss output.
Convert to WebP
Click Convert All. Our PNG to WebP Converter processes every file instantly in your browser with full transparency support.
Download Your WebP Files
Download WebP files individually or all at once. Drop them directly onto your website for faster loading and better PageSpeed scores.
Why Our PNG to WebP Converter Is the Best Choice
PNG to WebP Converter Keeps Transparency
WebP supports full alpha channel transparency — convert logos, icons, and UI elements without losing transparent backgrounds. No white fill added.
50–80% Smaller File Size
Our PNG to WebP Converter at 85% quality produces files 50–80% smaller than the original PNG — massive savings for web performance.
Lossless Mode Available
Need pixel-perfect output? Switch to Lossless WebP — still ~26% smaller than PNG with absolutely no quality loss whatsoever.
Better PageSpeed Scores
Google PageSpeed and Lighthouse specifically recommend WebP. Using our PNG to WebP Converter boosts your Core Web Vitals immediately.
Batch Convert 20 PNG Files
Convert your entire icon library or UI asset set at once. All files are processed simultaneously in your browser with one click.
100% Private & Secure
All PNG to WebP conversion happens locally in your browser. Your images never leave your device — no server uploads, ever.
What Is a PNG to WebP Converter and Why Do You Need One?
A PNG to WebP Converter is an essential tool for any web developer, designer, or content creator who wants to optimize images for the modern web. WebP is a next-generation image format developed by Google that delivers superior compression compared to PNG — while still supporting full alpha channel transparency, making it a direct upgrade for logos, icons, and UI graphics.
According to Google’s official WebP documentation, lossy WebP images are 25–34% smaller than comparable JPEG files, and lossless WebP is around 26% smaller than PNG. For PNG assets — especially those with transparency — switching to WebP using a PNG to WebP Converter can dramatically reduce your page weight and improve load times.
PNG to WebP Converter: Lossy vs Lossless — Which Should You Choose?
Our PNG to WebP Converter offers two modes. Lossy WebP at 85% quality is recommended for most use cases — it reduces file size by 50–80% with barely visible quality loss. Lossless WebP preserves every pixel exactly like the original PNG, but is still roughly 26% smaller. Choose lossless when you need perfect pixel accuracy, such as for print assets or software UI mockups.
Does Our PNG to WebP Converter Preserve Transparency?
Yes — this is one of the key advantages of WebP over JPG. Our PNG to WebP Converter uses the browser’s native HTML5 Canvas API with clearRect to maintain the alpha channel throughout conversion. Transparent PNG areas appear transparent in the WebP output — no background color is added, unlike when converting to JPG.
Browser Support for Transparent WebP
All modern browsers — Chrome, Firefox, Safari 14+, Edge, and Opera — support WebP including transparent WebP. Global browser compatibility exceeds 97%, making WebP safe to deploy as your primary image format for both photographs and transparent graphics on production websites today.