The Document Library portlet will provide document conversions in Liferay 4.4, here's a screenshot:
This requires OpenOffice v2.0.3 or higher running as a service, locally or remotely.
Here are the supported formats:
| From (any of) | To (any of) |
| Text Formats | |
| OpenDocument Text (*.odt) OpenOffice.org 1.0 Text (*.sxw) Rich Text Format (*.rtf) Microsoft Word (*.doc) WordPerfect (*.wpd) Plain Text (*.txt) |
Portable Document Format (*.pdf) OpenDocument Text (*.odt) OpenOffice.org 1.0 Text (*.sxw) Rich Text Format (*.rtf) Microsoft Word (*.doc) Plain Text (*.txt) |
| Spreadsheet Formats | |
| OpenDocument Spreadsheet (*.ods) OpenOffice.org 1.0 Spreadsheet (*.sxc) Microsoft Excel (*.xls) Comma-Separated Values (*.csv) Tab-Separated Values (*.tsv) |
Portable Document Format (*.pdf) OpenDocument Spreadsheet (*.ods) OpenOffice.org 1.0 Spreadsheet (*.sxc) Microsoft Excel (*.xls) Comma-Separated Values (*.csv) Tab-Separated Values (*.tsv) |
| Presentation Formats | |
| OpenDocument Presentation (*.odp) OpenOffice.org 1.0 Presentation (*.sxi) Microsoft PowerPoint (*.ppt) |
Portable Document Format (*.pdf) Macromedia Flash (*.swf) OpenDocument Presentation (*.odp) OpenOffice.org 1.0 Presentation (*.sxi) Microsoft PowerPoint (*.ppt) |
| Drawing Formats | |
| OpenDocument Drawing (*.odg) | Scalable Vector Graphics (*.svg) Macromedia Flash (*.swf) |
For more information check this wiki page.


