NTHU OCR is a free Chrome add-on designed to enhance user experience on the National Tsing Hua University's administrative system by automatically recognizing and filling in CAPTCHA codes. This tool simplifies the login process for users by eliminating the need to manually enter verification codes, thereby saving time and effort.

The plugin specifically targets CAPTCHA challenges associated with the Tsing Hua University domain, ensuring seamless access to various online services. By utilizing Optical Character Recognition (OCR) technology, NTHU OCR effectively identifies and inputs the required verification codes, making it a valuable tool for students and faculty alike who frequently interact with the university's online systems.