Convert PNG to WebP Online Free
Instantly convert your PNG files to WebP format right in your browser. No uploads, no registration, 100% free and private.
How to Convert PNG to WebP
Upload Files
Select your PNG files by dragging and dropping or clicking to browse.
Choose Settings
WebP is pre-selected. Adjust quality and metadata options if needed.
Download
Click Convert and download your WebP files instantly.
Why Convert PNG to WebP?
WebP produces files 25-35% smaller than PNG with equivalent visual quality. Converting PNG to WebP is one of the best ways to optimize your website's images for faster page loads and better Core Web Vitals scores.
PNG vs WebP Comparison
| Feature | PNG | WEBP |
|---|---|---|
| Compression | Lossless | Lossy |
| Transparency | Yes | Yes |
| Animation | No | Yes |
| Browser Support | Universal | All modern browsers |
| Typical File Size | Medium to large | Small (25-35% less than JPG) |
| Best For | Logos, graphics, screenshots, transparency | Web optimization, faster page loads |
Frequently Asked Questions
Yes, completely safe. PhotoFormatLab processes your files entirely in your browser using JavaScript. Your images are never uploaded to any server — the conversion happens on your device. No one else can see or access your files.
WebP uses lossy compression, so there may be a very slight quality reduction. However, at our default quality setting of 90%, the difference is virtually imperceptible. You can adjust the quality slider to find the perfect balance between file size and quality.
Yes! You can drag and drop multiple files at once, or use our batch converter to process many files simultaneously. All conversions run in parallel on your device for fast results.
PNG (Portable Network Graphics) uses lossless compression and is best for logos, graphics, screenshots, transparency. WebP (Web Picture Format) uses lossy compression and is best for web optimization, faster page loads.
There's no hard limit since processing happens on your device. However, very large files (over 50MB) may take longer to process depending on your device's capabilities. For best performance, we recommend files under 25MB.
Related Articles
What is HEIC? Everything You Need to Know in 2026
Learn what HEIC files are, why Apple uses them, and how to convert them to JPG, PNG, or other formats for universal compatibility.
5 min readHow to Convert HEIC to JPG on Windows, Mac & Online (2026)
Step-by-step guide to converting HEIC photos to JPG format. Methods for Windows, Mac, iPhone, and free online tools.
6 min readReady to Convert Your PNG Files?
Fast, free, and secure. No registration required.
Start Converting Now