File types indexable by Google

Google can index the content of most text-based files and certain encoded document formats. The most common file types we index include:

• Adobe Portable Document Format (.pdf)
• Adobe PostScript (.ps)
• Comma-Separated Values (.csv)
• Electronic Publication (.epub)
• 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, such as:
  • 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)

Google can also index the following media formats:

• Image formats: BMP, GIF, JPEG, PNG, WebP, and SVG
• Video formats: 3GP, 3G2, ASF, AVI, DivX, M2V, M3U, M3U8, M4V, MKV, MOV, MP4, MPEG, OGV, QVT, RAM, RM, VOB, WebM, WMV, and XAP

Search by file type

You can use thefiletype:operator in Google Search to limit results to a specific file type or file extension. For example, filetype:rtf galway will search for RTF files and URLs ending in.rtfwhose content contains the term "galway".