Image to WebP Converter

How the WebP Conversion Works

The conversion process relies on the browser's ability to render image data into a bitmap and then re-serialize it.

1. Canvas Rendering: The uploaded image (JPG/PNG) is drawn onto an invisible <canvas> element. This creates a raw pixel map of the image in memory.

2. toBlob() Encoding: The JavaScript method canvas.toBlob(callback, 'image/webp', quality) is called.

   • The second argument specifies the target MIME type (image/webp).

   • The third argument is a float between $0.0$ and $1.0$ that determines the lossy compression level.

3. In-Memory Storage: The browser generates a Blob (Binary Large Object) representing the WebP file. This is then turned into a temporary URL using URL.createObjectURL(), which is used for the download link.

---

Key Advantages of WebP

WebP is a modern image format developed by Google that provides superior lossless and lossy compression for images on the web.

[Image showing file size comparison between JPEG, PNG, and WebP]

• Compression: WebP lossy images are typically 25-34% smaller than comparable JPEG images.

• Transparency: Unlike JPEG, WebP supports alpha channel transparency, making it a smaller alternative to PNG.

• Performance: Smaller file sizes mean faster page load times and reduced data consumption for mobile users.

WebP Converter

Convert JPG/PNG to WebP instantly.

Click to select or drag & drop image

Original Size -

WebP Size -

Compression Quality: 80%