This study aimed at investigating the effectiveness of using Padlet application in developing writing skills of 60 third year instruction technology students at the Faculty of Specific Education, Zagazig University, who were equally divided into an experimental group and a control group. The researcher adopted the quasi-experimental design. To achieve the aim of the study, the researcher designed a pre-post writing skills test, in addition to the material of the study which was taught to the experimental group. The control group received regular instruction. The results indicated that the experimental group outperformed the control group in writing skills. Based on these results, EFL instructors need to incorporate Padlet application into their teaching of EFL writing skills