Select a flat source table
Any normal table, on any sheet. One row per valid combination.
Point at one flat table—Category, Subcategory, Brand, Product—and get cascading dropdowns in your sheet. Pick Electronics and the next column only offers Laptops and Phones.
Native data-validation rules, 2–5 levels, no hidden tabs, and no spreadsheet content leaving your Google account.
Free for your first 3 configurations. Pro from $2.50/month billed annually.
Row 5 — each choice narrows the next.
2 options2 options1 optionSelectedEverything happens in the sidebar. No formulas, no named ranges, nothing to maintain by hand.
Any normal table, on any sheet. One row per valid combination.
Order them parent to child. That becomes the cascade order.
They can be on another sheet and do not need to be adjacent.
Native validation rules appear in your range and stay in sync.