To use Fathom you require one of the following modern web browsers:

For the best performance we recommend Google Chrome. Cookies and Javascript also need to be enabled in your web browser.

Fathom supports the following operating systems:

Fathom can also be used via the web browser on the iPad and other tablets.

PDF reports created in Fathom require Adobe Acrobat DC for viewing and can also be viewed in the evergreen browsers mentioned above. Earlier versions of Adobe Acrobat are not officially supported.

​