Download the Visual Studio add-in for SQL Server Compact 4.0 and 3.5 from here
Standalone version of (most of) the same functionality as the add-in, for SQL Server Compact 4.0.
Useful for anyone not having Visual Studio Professional or higher installed.
Requires .NET 4.0.
New in 2.1.3:
Improved connection handling
New in version 2.1:
Edit Table Data, allowing you to edit data in a grid.
New Options for query result display
Shrink and Compact database file
Improved tab handling
Improved clipboard (for example Excel) integration
Data Types node