The use of online assessment tool has been a debatable issue among teachers. However, it can be easy for teachers to assess students' understanding. They could use an online assessment tool such as google form to examine grammar understanding. This study was aimed to find out students' attitudes of junior high school students using google forms in their assessment. This research used a qualitative design to take the data. This research was conducted at MTs Masyhudiyah Gresik with 25 students as the participant. The techniques of data collection were testand interview. The finding of this research will show how students behave towards the use of google form as an online assessment.