In order to change the title of your design, you must open the design on the PixTeller Editor page and follow the next steps:
Click the Edit link from your design view page.
Type the new title in the input section of the Editor header.
Save Design with the new title.
If you are not logged into you PixTeller account, your design cannot be saved. Also, you will lose all the data and changes you made with the PixTeller Editor.