CURRENT VERSION
Last updated: 20 June 2026
Current tools are browser-first. Do not send sensitive information through feedback. File upload tools are not live yet.
What happens in your browser
Current GPA, timer, countdown, word counter, invoice, and caption tools are designed to run in your browser. Some tools use local browser storage to remember a setting or draft on the same device. ToolsByJ does not currently provide account-based storage.
Feedback
When you use the feedback form, the details you submit are sent to the feedback service configured for ToolsByJ. Only share information needed to explain your issue or idea. Do not send passwords, banking information, government ID numbers, or private documents.
External links
Study Hub By J and the SLIIT GPA Calculator open on janidusandaruwan.com. Those pages are managed separately and may have their own analytics, content, and privacy information.
Future file tools
ToolsByJ does not currently accept PDF, image, audio, or video uploads. Before file tools are published, each will include clear storage, deletion, security, and processing information.
Contact
For a privacy question, use the ToolsByJ feedback page and select “Other”.