---
title: "Venn Diagram"
canonical: "https://help.biobam.com/space/DOC/531333140/Venn%20Diagram"
format: markdown
---
Venn Diagram tool allows you to select multiple ID List or ID value list in text or B2G format and draw the intersection of the lists elements. This functionality can be found under   Tools → Venn Diagram.  The wizard allows to select input files, you can mix the supported types ( ID List  or  ID value list ),  with different formats ( Plain text  or  B2G ) After selecting the files just press the  Run  button. A new tab will appear with the Venn diagram. There are different options to customize the Venn visaulization. Proportional .  This check box allows you to change how the size of the circles is calculated, by setting this option to  true  will paint the size of the circles proportionally to the number of elements the list contains. When  false  all the circles will use the same size. Grayscale . If  true , all circles will be painted in different shades of gray. Set to  false  to use a normal color. Font size . Use the  plus  or  minus  icon to  increase  or  decrease  the font size. List control . There will be one for each list you load with the wizard. Each control customizes each list individually. The  Check box  hides or shows the circle represented for this list. The  Color box  allows to change the color of the circle. The  Text field  updates the list name. Table button.  This will open a table where rows are the union of all lists. The column tag indicates in which lists this element appears. You can use this table to sort and filter the elements and extrat the selected rows to a new filtered Venn Diagram.