The official Seer download page provides a free version that handles most basic file types like images and text files without requiring a crack.

However, there are a couple of interpretations or contexts where parts of this term might be found:

Seer is a widely used "Quick Look" tool for Windows that replicates the macOS feature of previewing files instantly by pressing the spacebar. It supports hundreds of file formats, including PDFs, videos, images, and Markdown.