PNG to WebP image converter

Convert PNG and APNG Images to WebP Format

Upload PNG images or APNG animations and convert them to WebP format. WebP provides significantly better compression than PNG — typically reducing file sizes by 25–35% for lossless content and up to 80% with lossy compression — while maintaining equivalent visual quality, full alpha transparency, and animation support.

How to convert PNG to WebP

1. Upload your PNG file from your device or paste a direct URL.
2. Set the quality factor (0–100). Higher values preserve more detail; lower values produce smaller files.
3. Click "Convert PNG to WebP!" and download the result.

Why convert PNG to WebP?

• Smaller file sizes — WebP lossless images are on average 26% smaller than PNG files with no visible quality difference. With lossy compression, the savings are even greater.
• Faster page loading — smaller images mean faster load times and better Core Web Vitals scores, which can improve search engine rankings.
• Full transparency support — WebP preserves the alpha channel from your PNG, so transparent areas are maintained exactly.
• Animation support — animated PNG (APNG) files are automatically converted to animated WebP with frame timing and transparency preserved.
• Universal browser support — all modern browsers (Chrome, Firefox, Safari, Edge, Opera) support WebP images.

Understanding the quality setting

The quality factor controls how much compression is applied to the image. At quality 100, WebP uses near-lossless compression, producing files that are visually indistinguishable from the original PNG but still smaller. As you lower the quality, file sizes decrease further at the cost of some visual detail. For most images:

• 90–100 — near-lossless, ideal for graphics, logos, and screenshots where detail matters.
• 75–89 — good balance between quality and file size for photos and illustrations.
• 50–74 — noticeable compression, suitable for thumbnails or images where small file size is a priority.

Need to convert multiple files? Use our WebP to PNG bulk converter (reverse direction) or convert files one at a time with this tool. To convert in the other direction, use WebP to PNG. For JPEG input, see JPG to WebP.

Frequently asked questions

What is WebP?

WebP is an image format developed by Google that supports both lossy and lossless compression, alpha transparency, and animation. It is designed to produce smaller file sizes than PNG and JPEG while maintaining comparable visual quality. WebP is supported by all major browsers.

Does converting PNG to WebP lose quality?

It depends on the quality setting. At quality 100, the conversion is near-lossless and the output is visually identical to the original PNG. At lower quality values, some detail is lost in exchange for smaller file sizes. For graphics with sharp edges and text, use quality 90 or above to avoid visible artifacts.

Will transparency be preserved?

Yes. WebP fully supports alpha transparency, so transparent areas in your PNG file will be preserved exactly in the converted WebP output.

What happens with animated PNG (APNG) files?

Animated PNG files are automatically detected and converted to animated WebP with all frames, timing, and transparency preserved. The resulting animated WebP file is typically much smaller than the original APNG.

Is this tool free?

Yes, 100% free with no watermarks, no signup, and no conversion limits. All uploaded files are automatically deleted from our servers one hour after upload.