Change the page size and orientation

By default, diagrams.net uses an A4 paper size in a portrait orientation. You can change the paper size and the orientation via the Format panel or the menu.

Use the format panel to change the paper size

  1. Make sure you have nothing selected in your diagram so you can see the Paper Size settings in the format panel on the right.
  2. Select a new Paper Size from the drop down list.
  3. Click on either Portrait or Landscape to change the page orientation.
    Change the page size and orientation in the format panel when nothing in your diagram is selected

Change the page setup

  1. Select File > Page Setup.
    Select File > Page Setup to change paper size, orientation and more
  2. Select a new Paper Size from the list, and change the page orientation to Portrait or Landscape.
    Change the paper size and orientation via the diagram's page setup

Use a custom paper size for your diagram

  1. Make sure nothing is selected in your diagram so you can see the Paper Size list in the format panel on the right, or select File > Page Setup.
  2. Select Custom from the Paper Size list.
  3. Enter the custom height and width of your page in inches.
    Set your own custom page size - enter the width and height in inches