Contact
We read every message. Most get a reply within a few working days.
Request a chart type
Tell us which figure you need and for which kind of paper. Requests decide what we build next.
Report a problem
Something looks wrong or a number doesn't match? Include the tool, your browser, and if possible a project file.
Ask a question
About using a tool, journal requirements, licences for your lab, or anything else.
Sharing data safely
To show us a problem, the easiest way is to click Save project in the tool and attach the file. Please remove or replace any confidential data first: we don't need real patient or unpublished data to reproduce most issues.