Progress is stored locally in your browser (no account needed). For shared analytics, add a Google Apps Script webhook below.
Upload question bank (JSON) / Manage data
Paste or drop a JSON array of question objects (schema below), then click Load. Data is saved to this page only.
Or: Load question bank from URL
Paste a public URL to a .json file, then click Fetch. The bank will be cached locally.
Schema: { id, chapter, question, options[4], answerIndex, explanation?, refs?[], difficulty?:(easy|medium|hard) }