Convert PNG to WebP Online

Unlike standard JPEG which discards transparency altogether, WebP fully supports 8-bit alpha channel transparency just like PNG. This allows you to retain clear backgrounds, smooth drop shadows, and anti-aliased icon edges while unlocking modern compression advantages.

When converting PNG graphics to WebP in NexoPixel, your transparent pixels are faithfully preserved without requiring background fill colors.

For photographs, complex gradients, and rich illustrations, WebP typically yields substantially smaller files than PNG. However, the exact reduction depends entirely on your image content.

For very simple graphics with flat solid colors and sharp lines, optimized PNGs may occasionally remain comparable in size. Converting does not guarantee an arbitrary percentage reduction, but WebP offers an efficient modern option for reducing web asset payload.

Modern web browsers support WebP image decoding natively. Adopting WebP for website assets helps reduce overall bandwidth consumption, improves page load speeds, and supports Core Web Vitals optimization.

With NexoPixel, your files never touch external servers. Processing executes entirely inside your browser via local canvas pipelines and web workers, keeping proprietary logos and sensitive assets confidential.