Welcome to Oncotator

Oncotator is a web application for annotating human genomic point mutations and indels with data relevant to cancer researchers. Annotations are aggregated from the following resources:

Please see the help page for detailed information regarding all annotations.

Get Started

Upload your input data below. Please note, only GRCh37/hg19 coordinates are supported and there is a maximum of 7500 alterations per input file. If you need additional help, please visit our help page or feel free to contact us directly.

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Upload Mutations

Upload text file of mutations in Oncotator format.

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Paste Mutations

Paste data in Oncotator format or use example.

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Oncotator API

Explore Oncotator's API format.

Latest News

27 June 2014


The public release of the standalone version is upon us!
The standalone version of Oncotator is free for non-profit use.

Oncotator Download and Install Instructions
Oncotator Documentation


4 January 2013 - Happy New Year



Happy New Year from the Oncotator Team!

Much is planned for Oncotator 2013, including:

  • Standalone version of Oncotator -- Execute your own annotation runs from the command line
  • Support for more file formats, both in and out
  • Easy addition of annotation sources by users

15 October 2011 - Oncotator Resource Updates



The following resources have been updated:

  • Oncotator v0.4.1.8