Tool LoR, developed by Trần Thành, is an efficient Chrome add-on designed to aid in English assignment completion. It offers features such as filling in missing words from lessons, collecting and storing new vocabulary, automatically playing audio-containing cards, progressing to the next task upon completion, and allowing users to customize study time intervals.

With Tool LoR, users can enhance their English language skills with interactive exercises and automated learning support. The tool streamlines the assignment process by providing targeted assistance and facilitating vocabulary retention. Its user-friendly interface and time management options make it a valuable asset for English learners seeking to improve their proficiency.