Free Online Compare OTT Documents

Online diff tool that allows to compare two OTT documents from any device, with a modern browser like Chrome, Opera and Firefox.

OTTOpen Document Template

Files with OTT extension represent template documents generated by applications in compliance with the OASIS' OpenDocument standard format. These are created with word processor applications such as free OpenOffice Writer and can hold settings that can be used to generate new documents from these template files. These settings include page margins, borders, headers, footers, and other page settings. Such templates are used in official documents such as company letterheads and standardized forms.

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How to

 How to compare, view & download changes of a OTT document using GroupDocs Comparison App

  • Click inside the file drop area of source & target files to upload OTT files or drag & drop OTT files.
  • Click "Compare Now" button to compare/view/download changes instantly.
  • View document pages.
  • View list of changes in a panel.
  • View and navigate between pages.
  • View pages thumbnails.
  • Set page view zoom-in or zoom-out.
  • Download the OTT output file with changes.
  • Download the OTT output file in images format.
  • Download the source & target OTT files without changes.
Fast and easy

Fast and Easy OTT Comparison

Upload your OTT document and you will be redirected to the OTT Comparison Viewer app with great user experience and many more features.


Compare OTT from Anywhere

It works from all platforms including Windows, Mac, Android and iOS. All OTT files are processed on our servers. No plugin or software installation required for you..


Comparison Quality

Powered by GroupDocs.ComparisonAll OTT files are processed using GroupDocs APIs.

Other Comparison file formats

You can also compare many other file formats. Please see the complete list below.