Paraphrasing is an important thing that must be mastered in academic writing. This research aims to explain the role of Quillbot in the paraphrasing process, describe the benefits and challenges faced when using Quillbot. This research uses a qualitative research method with a case study design. Participants in this research were 20 English Language Education students at one of the state Islamic university in Central Java who had used Quillbot for paraphrasing. Data collection was carried out by distributing questionnaires and reinforced by interviews. Based on the research results found by researcher, it shows that Quillbot has a role in paraphrasing skills in the form of changing synonyms, word order, and active sentence into passive once. Students feel that quillbot has several benefits such as make paraphrase faster, reduce students’ anxiety, and increase students' self confidence in paraphrasing. However, there are several challenges faced by students when using Quillbot, such as the paraphrasing results are not accurate so they have to be checked again and sometimes find synonyms that are rarely used in academic writing.
Keywords: Academic Writing, Paraphrasing Skill, Quillbot, University Students