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File types indexable by Google

Google can index the content of most types of pages and files. The most common file types we index include:

  • Adobe Flash (.swf)
  • Adobe Portable Document Format (.pdf)
  • Adobe PostScript (.ps)
  • Autodesk Design Web Format (.dwf)
  • Google Earth (.kml, .kmz)
  • GPS eXchange Format (.gpx)
  • Hancom Hanword (.hwp)
  • HTML (.htm, .html, other file extensions)
  • Microsoft Excel (.xls, .xlsx)
  • Microsoft PowerPoint (.ppt, .pptx)
  • Microsoft Word (.doc, .docx)
  • OpenOffice presentation (.odp)
  • OpenOffice spreadsheet (.ods)
  • OpenOffice text (.odt)
  • Rich Text Format (.rtf)
  • Scalable Vector Graphics (.svg)
  • TeX/LaTeX (.tex)
  • Text (.txt, .text, other file extensions), including source code in common programming languages:
    • Basic source code (.bas)
    • C/C++ source code (.c, .cc, .cpp, .cxx, .h, .hpp)
    • C# source code (.cs)
    • Java source code (.java)
    • Perl source code (.pl)
    • Python source code (.py)
  • Wireless Markup Language (.wml, .wap)
  • XML (.xml)

Searching for specific file types

You can use the filetype: operator in Google Search to limit results to a specific file type. For example, filetype:pdf galway will search for PDF files with the term "galway" in them. The results match extensions as well as the true file type, even if the file is labeled with an incorrect extension. For example, seaching for filetype:pdf galway could return any of the following results:

  • ireland.pdf (whether or not the actual file type is PDF)
  • (if the extension is mislabeled, but the file is determined by Google to be PDF)
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