Quickly convert a non-transparent WebP to a transparent WebP.
Execution runs 100% locally inside the browser sandbox using HTML5 Canvas, Web Cryptography Subtle API, and Web Workers. Zero egress.
Zero network latency. Operates completely offline with zero dependencies on third-party backend servers or cloud services.
Built according to official RFC specifications, cryptographic test vectors, and enterprise-grade data transformation standards.
Select your WebP picture.
Choose background color to erase.
Export transparent WebP.
Yes, WebP format natively supports 8-bit alpha channel transparency.
Zero-egress companion tools in the Image Processing suite
Convert and compress WebP, PNG, and JPEG images locally with zero server uploads.
Clean, minify, and sanitize SVG files and markup locally.
Generate multi-size web, Apple Touch, and Android PWA favicons instantly.