தமிழ் எழுத்துரு மாற்றி (Tamil Font Converter)
This is a portable Desktop application/software which is used to convert from and to 16+ familiar tamil fonts [including Unicode]. There are 2 variants available now, one is based on Dot Net (Mainly for Windows users) and the other one is based on Java (for Linux, Windows and other OSs)
As of 16 March 2018, latest version is TFC v3.3 and the links to download them are listed below.
For Windows [Requirement: .Net Framework 3.5]
Java based app [Requirement: JRE 1.6+]
[This is a freeware, Please feel free to distribute this]
[A kind request to all users: Please do not distribute any COPYRIGHTED fonts along with this software, Thanks]