How to Convert PNG to WebP Online Free — Smaller Files, Same Quality

PNG is the standard format for graphics, logos, and images with transparent backgrounds — but PNG files are large. WebP supports everything PNG does (including transparency) while producing files 25–35% smaller. Here is how to convert.

Why Convert PNG to WebP?

• Smaller files: WebP lossless compression reduces PNG file sizes by 25–35%
• Transparency support: WebP supports alpha channels (transparent backgrounds) just like PNG
• Better web performance: Google created WebP specifically for faster web page loading
• Wide browser support: All modern browsers (Chrome, Firefox, Safari 14+, Edge) support WebP
• For a 100KB PNG logo, converting to WebP typically produces a file of 65–75KB with identical visual quality.

How to Convert PNG to WebP in 3 Steps

1. Go to ImageResize.co/convert/png-to-webp 2. Upload your PNG image (or drag and drop) 3. Click Download — your WebP file is ready The converter preserves transparency — if your PNG has a transparent background, the WebP output will too.

Lossless vs Lossy WebP

• WebP supports two modes:
• Lossless WebP: Identical to the original PNG — no data loss, like PNG. Best for logos, icons, and graphics with sharp edges.
• Lossy WebP: Smaller than lossless, with some compression. Best for photographs that were originally in PNG.
• Our converter uses lossless WebP by default for PNG inputs, ensuring your logos and graphics remain pixel-perfect.

When NOT to Convert to WebP

• Email attachments: Some email clients do not display WebP images — use PNG or JPG for email
• Old browsers: Internet Explorer does not support WebP (but IE has less than 1% market share in 2026)
• Editing workflows: If you need to re-edit the image later, keep the PNG source and only distribute as WebP
• Printing: Printers may not accept WebP — convert to PNG or TIFF for print

WebP vs PNG: Size Comparison