# API Compare Wizard

The API compare wizard can be used to compare a selected set of selected elements (projects, source folders, package fragments, or compilation units) to a selected API baseline and show those results in the API Tooling View

Option | Description | Default
--- | --- | ---
Baseline | You can choose any API baseline from the combo box to compare to. | Default baseline or empty
Add New Baseline | Opens the API Baselines preference page so that a new baseline can be added for use. |

The API Compare wizard, showing an example Eclipse 3.4.1 baseline being compared to.

Comparing to an API baseline
Setting up a baseline

API Baselines Preferences