You could have downloaded OpenConv 1.1 for Mac from our application library for free. OpenConv is suitable for Mac OS X 10.9 or later. This free Mac application was originally designed by sc0ttlin sci. The most frequent installer filename for the application is: x43x61x69-openconv-ae21654.zip. The software is included in Design & Photo Tools. The most popular version of OpenConv for Mac is 1.1.
From the developer:
OpenConv is the open source version of Conv, a Mac OS X encoding converter. It allows users to batch converting text files encoding between Simplified / Traditional Chinese with simple clicks or file drag and drop. The application has a very simple to use interface.
You may want to check out more software for Mac, such as OpenConv 2, which might be related to OpenConv.