Download Easy Subtitle Converter

1.2	Release date	Licence	Size	System	Language	Downloads
1.2	2009-12-06	freeware	328 kB	Windows	English, Polish, French, German, Italian, Spanish, Romanian, Indonesian, Dutch, Czech, Hungarian	39501

The application is delivered in a ZIP format. Just unpack it after downloading- no installation is required.
You can even run this program from a removable USB drive.