The purposes of the study were as follows: 1) to investigate the Thai undergraduate students’ attitude towards using Web 2.0 tools in language learning at Thai – Nichi Institute of Technology (TNI), 2) to identify their perceptions towards Web 2.0 tools in developing their language skills and 3) to identify which Web 2.0 tools were used by Thai undergraduate students to improve their language skills. The population of the study was 1,200 first year TNI students in three faculties of Engineering, Information Technology and Business Administration. The research samples were 219 first-year undergraduate students who studied an English Foundation Course and came from different faculties at TNI in the first semester of the 2020 academic year. All of the students selected for the study were nonEnglish major students. The sample was selected by using the Stratified Random Sampling and the Simple Random Sampling. The data was collected through a survey questionnaire. Statistics used to analyze the data were frequency, percentage, mean, standard deviation and descriptive analysis.
The result showed that the students in the study were aware of an availability of Web 2.0 for learning language. They held a positive attitude towards these tools, viewing that their skill which was most improved was the listening one. The tool they used most is YouTube.