PNG to WebP Converter
Convert PNG to WebP online free. Keep transparency, minimize file size. Perfect for web optimization.
Drag & drop PNG images
or click to select files (multi-select supported)
Settings
Output: WEBP format
Why Convert PNG to WebP? Transparency Without the Bloat
PNG is beloved for its lossless quality and transparency support, but it often produces heavy file sizes that slow down websites. A complex PNG logo or graphic can easily be 500KB to 2MB.
WebP is the game changer. It supports the same transparency (alpha channel) and lossless quality options as PNG, but uses advanced compression to be 26-80% smaller. For any transparent image on a website, WebP is the superior choice.
File Size: PNG vs WebP
| Image Type | Original PNG Size | WebP Size (Lossless) | WebP Size (Lossy) | Best Savings |
|---|---|---|---|---|
| Logo (Transparent) | 85 KB | 62 KB (-27%) | 18 KB (-78%) | -78% |
| Screenshot | 1.2 MB | 850 KB (-29%) | 150 KB (-87%) | -87% |
| Product Photo | 2.5 MB | 1.8 MB (-28%) | 350 KB (-86%) | -86% |
| Icon Set | 450 KB | 320 KB (-28%) | 90 KB (-80%) | -80% |
*WebP creates smaller files for both lossless and lossy conversion!
Key Features
Transparency
WebP preserves the alpha channel (transparency) from your PNGs perfectly.
Lightweight
Drastically smaller file sizes mean your website loads faster and ranks better.
No Quality Loss
Use Lossless mode to keep 100% of original quality while still reducing file size.
Batch Process
Convert hundreds of icons or product images at once. Save time.
The "Lossless WebP" Secret
Did you know WebP has a Lossless mode? It works exactly like PNG—every pixel is perfectly preserved—but the file is still ~26% smaller on average.
For even smaller files, you can use Lossy WebP with Transparency, a unique feature PNG can't match. This can reduce file size by 3-4x compared to PNG while keeping the background transparent!
Format Showdown
Frequently Asked Questions
Does WebP support transparency like PNG?▼
Yes! WebP fully supports transparency (alpha channel) just like PNG. You can have transparent backgrounds, semi-transparent shadows, and everything else you love about PNG, but with much smaller file sizes.
Is quality lost when converting to WebP?▼
It depends on your settings. 'Lossless WebP' preserves 100% of the quality (identical to original PNG) just compressed more efficiently. 'Lossy WebP' sacrifices a tiny bit of quality (usually unnoticeable) for massive file size savings.
Why use WebP instead of PNG?▼
WebP is superior for websites. It loads much faster due to smaller file sizes while maintaining transparency and quality. Google explicitly recommends using WebP for better SEO and Core Web Vitals scores.
Can I batch convert PNG to WebP?▼
Absolutely. Our tool supports multi-file uploading. Drag dozens of PNGs at once, and we'll convert them all in your browser. You can download them as a single ZIP file.
Which browsers support WebP?▼
All modern browsers: Chrome, Edge, Firefox, Safari (since version 14), Opera, and mobile browsers. WebP is now globally supported by over 97% of internet traffic.
Do converted files look different?▼
In most cases, no. If you use high quality settings (80%+), the human eye cannot tell the difference between the source PNG and the new WebP, but the file size will be drastically smaller.
Is it free?▼
Yes, completely free. No daily limits, no watermarks, no sign-up needed.