The most recent version of ScraperWiki depends on Poppler (or so the GitHub says). Unfortunately, it only specifies how to get it on macOS and Linux, not Windows.
A
Poppler is available as Chocolatey package:
choco install poppler
By default Poppler is installed in C:\ProgramData\chocolatey\lib\poppler and shims are automatically created for the following tools: pdfdetach, pdffonts, pdfimages, pdfinfo, pdfseparate, pdftocairo, pdftohtml, pdftoppm, pdftops, pdftotext, pdfunite.
To update Poppler, run:
cup poppler
Install from the main bucket:
scoop install poppler
By default Poppler is installed in ~\scoop\apps\poppler and shims are automatically created for the following tools: pdfdetach, pdffonts, pdfimages, pdfinfo, pdfseparate, pdftocairo, pdftohtml, pdftoppm, pdftops, pdftotext, pdfunite.
To update Poppler, run:
scoop update poppler
As mentioned in another answer, MiKTeX currently ships with Poppler tools, and so does another LaTeX distribution, TeX Live. From the guide:
Command-line tools.
A number of Windows ports of common Unix command-line programs are installed along with the usual TeX Live binaries. These include
gzip,zip,unzip, and the utilities from the poppler suite (pdfinfo,pdffonts, …)
Poppler suite is located by default in C:\texlive\ and, if you can compile your LaTeX documents, should work out of the box since this location is added to the PATH by the installer.