FOCA is (Fingerprinting Organization with Collection Archives). Foca is used to find metadata and hidden information from the document. These documents may be on web pages, and can be downloaded and analyzed with FOCA.

GOCA is a FOCA fork written in Go. It is capable of analyzing a wide variety of documents, with the most common being Microsoft Office, Open Office, or PDF files, although it also analyzes Adobe InDesign or SVG files, for instance.

These documents are searched for using search engines such as:

  • Google
  • Bing
  • DuckDuckGo
  • Yahoo
  • Ask


Go installed


$ export GO111MODULE=on 
$ go get ./...
$ go run goca/goca.go -h

To run Goca from Docker:

$ docker build -t gocaio/goca /path/to/goca
$ docker run gocaio/goca -h


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