Study platform
Study Hub By J
Free quizzes, mock exams, reference sheets and revision resources for university students.
120+Quizzes
FreeAccess
AllModules
New planner
StudySync
Tasks, deadlines and group projects in one planner, with a calendar and group chat.
FreePlanner
Groups& chat
LiveDeadlines
University tools
ToolsByJ
PDF and image tools, timetable planner, CV maker, image-to-text and more.
57+Tools
FreeTo use
WebNo install
Available for projects and learning collaborations
Hello, I'm Janidu Sandaruwan 👋
Buildingdigital systems
IT Undergraduate
I build business systems, websites, Android apps, and student resources that help people work and learn faster.
Live right now4 products
Study Hub By J2,000+ students
ToolsByJ57+ tools
StudySyncPlanner
AndumPola.lkMarketplace
View more projects →
0+Projects built
Y2S1SLIIT IT student
0+Projects
Y2SLIIT IT
0/7Learning mode
FreeStudy Hub
Try it yourself
Explore my work like a developer
This is a real, working terminal. Type a command or tap one below to see my projects, skills and contact details.
On a computer, press ` anywhere on this site to open it as a pop-up.
About me
Student mindset. Builder mindset.
I am Janidu Sandaruwan, a 21-year-old B.Sc. (Hons) Information Technology undergraduate at SLIIT from Colombo, Sri Lanka.
I enjoy building useful digital products such as business management systems, websites, Android apps, and learning platforms. My goal is to become the best developer I can be by building real solutions.
LocationColombo, Sri Lanka
EducationB.Sc. (Hons) IT, SLIIT
SchoolD. S. Senanayake College
BusinessCo-Director, JP Group
JBuilt By J
ONLINE
Business Systems
Practical systems built to simplify real business operations, workflows and daily management.
Active build mode · WORKFLOWS
Tech stack