Compress WebP Images Online — Free & Ad-Free

Modern image format developed by Google offering 25–35% smaller files than JPEG/PNG at equivalent visual quality. ImageSmith's free WebP compressor reduces file sizes by 60–90% using advanced lossy compression, entirely in your browser. WebP outperforms both JPEG and PNG in compression efficiency. It is the recommended output format for web-delivered images.

25–35% smaller than equivalent JPEG files
Supports both lossy and lossless compression modes
Full alpha channel transparency like PNG
Supported by all modern browsers (Chrome, Firefox, Safari, Edge)

Compress WebP to a Specific Size

Other Format Compressors

When to Use WebP

Use WebP for all modern web image delivery where performance and quality both matter.

WebP Compression FAQ