Are my images uploaded?

No. The compressor decodes the selected image and creates the output locally in your browser.

What output format does it create?

This first version creates a JPEG output with transparent areas flattened to white.

Private file utility

Compress one image locally with a browser canvas output.

Files are processed in your browser. They are not uploaded to this site.

Choose files

JPEG, PNG, WEBP or drag and drop them here

Local limits: Max single file: 25 MB