Before downloading, ensure that the font is licensed for commercial or personal use, depending on your requirements.

Before the universal adoption of the , which provides a unique number for every character across all platforms, Tamil digital content was often created using "ASCII-mapped" fonts. Fonts like TM Gangai allowed users to type in Tamil on systems that did not natively support the script, such as older versions of Windows or Pagemaker.

: Uses a specific encoding system (often related to TAB or TSCII standards), meaning it is not natively compatible with standard English keyboards without a driver like Azhagi .

: Open your preferred application (e.g., Word, Photoshop) and select "TM Gangai" from the font dropdown menu.

While legacy fonts like TM Gangai enabled the first wave of digital Tamil content, they also presented challenges. Content created in one proprietary font often appeared as gibberish (mojibake) if the specific font was not installed on the viewer's device.