Convert PNG to WebP Online

How to Convert PNG to WebP Online for Free

FileForge converts PNG images to WebP directly in your browser — no software, no signup. Drop your PNGs, choose between lossless and quality-controlled lossy output, and download your WebP files instantly.

Why convert PNG to WebP?

• Smaller file sizes — WebP compresses 25–34% better than PNG at equivalent visual quality, reducing page load times
• Supports transparency — Unlike JPG, WebP preserves alpha channels so transparent PNGs convert without a background fill
• Modern web standard — All major browsers support WebP; switching from PNG to WebP is one of the highest-impact performance optimizations
• Lossless option — WebP lossless mode preserves every pixel while still compressing better than PNG

Lossless vs. lossy WebP

Toggle lossless mode on for pixel-perfect output — ideal for logos, icons, screenshots, and graphics with sharp edges. Keep it off and use the quality slider for photos or images where a small quality trade-off is acceptable for a significantly smaller file.

Batch conversion

Drop multiple PNG files at once and convert them all in one click. Free plan converts up to 3 images per session. Pro users get unlimited batch conversions and files up to 100MB.

Your privacy

Files are processed on our servers and discarded immediately after download. Nothing is stored, logged, or shared.