Google Translate for Excel is a Office Tools software developed by TechNitya. After our trial and test, the software is proved to be official, secure and free. Here is the official description for Google Translate for Excel:

EditByMarydown: This Add-in adds a Custom Function in your Excel® along with other built in functions which will help you easily Translate text of strings from one language to other.

The function is very easy to use, and is used as any other Excel® function. There is a help file also available with this addin which Details the various Languages that ca be converted using this add-in and the respective language codes.

This Add-in uses the Google Translate™ Translation Service API for translation.

Features:
Adds a new function "Translate"