DB Browser is a graphical interactive tool to explore the contents of Oracle and MySQL databases. Users need not write any SQL commands to view the contents of a database. An SQL command window is provided for users that want one, but its use is optional. Database records can be interactively added, updated, or deleted also without writing any SQL commands. Similarly, table columns can be interactively added or removed. DB Browser can also export data as CSV or PDF files. DB Browser is a free software, licensed under the GNU General Public License, with source code available on their download pages. Installers are available for Microsoft Windows and macOS. A Java .jar file is also available that should run on any platform where a Java virtual machine is available.