Whatsclaw AI

Image Format Converter

Convert images between PNG, JPG, and WebP formats entirely in your browser — no upload required.

Processed entirely in your browser — your files are never uploaded to a server.

How it works

  1. Your image is loaded into an off-screen HTML canvas element directly in your browser.
  2. If you're converting to JPG, the canvas is first filled with white behind the image, since JPG has no way to store transparent pixels.
  3. The canvas is re-encoded into the target format using your browser's built-in image-encoding API, producing a new file in memory.
  4. That file is offered straight to you as a download — nothing is ever sent to a server in the process.

Frequently asked questions