Gaupol is an editor for text-based subtitle files. It helps you with tasks such as creating and translating subtitles, timing subtitles to match video and correcting common errors. Gaupol includes a built-in video player and also supports launching an external one.

Gaupol is available for Linux and Windows, released as Free Software under the GNU General Public License (GPL). Gaupol's user interface is based on the GTK 3 toolkit and has been designed to best fit the GNOME desktop environment.