PNG to WebP Converter

Convert PNG images to WebP format instantly. Reduce file size by 25-35% while preserving transparency.

No upload required • Works offline • 100% secure

Drop your PNG file here, or click to browse

Supports PNG files up to 50MB

🔒 100% Private

Conversion happens in your browser. Your files never leave your device.

⚡ Fast & Free

No upload time, no waiting. Convert instantly and completely free.

⚡ Smaller File Size

WebP is 25-35% smaller than PNG while preserving transparency.

What is PNG to WebP Converter?

A PNG to WebP converter is a tool that transforms PNG image files into WebP format — Google's modern image format designed for the web. PNG produces large, lossless files perfect for editing and design work, but they are often oversized for web delivery. This converter takes those PNG files and re-encodes them as WebP, reducing file size by 25–35% while preserving full transparency and maintaining excellent visual quality.

Unlike traditional converters that require software installation or file uploads, this tool runs entirely in your browser using the Canvas API. Your images never leave your device — conversion is instant, private, and free.

About PNG Format

PNG (Portable Network Graphics) uses lossless compression and supports full alpha channel transparency. It is widely compatible across all software but produces larger files — best for editing, logos, and graphics requiring perfect quality.

Why Convert to WebP?

WebP delivers 25-35% smaller file sizes compared to PNG while preserving transparency. Smaller images mean faster page loads, better Core Web Vitals scores, and reduced bandwidth costs — all critical for modern web performance.

PNG vs WebP Comparison

FeaturePNGWebP
File SizeLarger (lossless)25-35% smaller
CompressionLosslessLossy or Lossless
QualityPerfectExcellent
TransparencyYesYes
Browser SupportUniversalAll modern browsers
Best ForEditing, printing, designWeb delivery, performance

How to Convert PNG to WebP

PNG to WebP conversion flow diagram
1

Upload PNG File

Click the upload area or drag and drop your PNG file from any device.

2

Convert to WebP

Click the "Convert to WebP" button and the conversion happens instantly in your browser.

3

Download WebP

Click "Download WebP" to save your optimized image file, ready for the web.

Why Choose Our PNG to WebP Converter?

Free to Use

No hidden fees, no subscriptions, no watermarks. Convert unlimited PNG files to WebP completely free.

Private & Secure

Files are processed entirely in your browser. No uploads, no servers, no privacy concerns. Your images stay on your device.

Transparency Preserved

WebP fully supports alpha channel transparency. Your PNG's transparent areas are perfectly preserved in the converted WebP file.

Optimized Compression

Converts at 85% quality — the sweet spot that reduces file size by 25-35% with virtually no visible difference from the original.

Frequently Asked Questions

Why should I convert PNG to WebP?

WebP offers 25-35% smaller file sizes compared to PNG while maintaining excellent visual quality. This makes your website load faster, improves Core Web Vitals scores, and reduces bandwidth usage - all without noticeable quality loss.

Will I lose quality when converting PNG to WebP?

Our converter uses a quality of 85%, which is virtually indistinguishable from the original PNG in most cases. Unlike JPG, WebP also preserves PNG's transparency (alpha channel).

Does PNG to WebP conversion preserve transparency?

Yes! WebP fully supports alpha channel transparency, just like PNG. When you convert a PNG with a transparent background, the transparency will be perfectly preserved in the output WebP file.

Is it safe to convert PNG files online?

Yes! Our converter is completely safe because everything happens in your browser. Your PNG files are never uploaded to any server - the conversion is done locally on your device using the Canvas API. Your images remain private and secure.

How much will my PNG file shrink after converting to WebP?

Typically 25-35% smaller than the original PNG. The exact reduction depends on the image content — photos with many colors compress more than simple graphics. Either way, WebP will always be smaller than PNG at comparable visual quality.

Do I need to install any software?

No installation required! This is a completely web-based tool that works directly in your browser. Just visit this page, select your PNG file, and convert. Works on desktop and mobile.

Ready to Convert Your PNG Images?

Start converting PNG to WebP for free and reduce your file sizes by up to 35%.

Convert PNG to WebP Now
Also try our other tools: WebP to PNG, Image Compressor