Google Translate is a free language translation app developed by Google. It allows users to translate text, speech, images, and real-time conversations in over 100 languages. The app utilizes machine learning technology to improve translation accuracy over time and supports various input methods, including typing, handwriting, voice, and camera. In addition to translation, Google Translate also offers features such as offline mode, phrasebook, and instant camera translation. The app is available on both iOS and Android devices and has become a popular tool for international communication and language learning.