MerchRadar

Enter a broad topic (e.g. 'hiking'), select your marketplace and product type, then click Search Amazon. Browse the results to gauge competition — if page 1 has designs with a high BSR number (above 500k in clothing), there's room for new sellers. Switch marketplaces to find underserved niches in the UK or German market before competitors do.

• 1Start broad, then refine: search 'dog' → see what sub-niches appear → search 'golden retriever'
• 2Use 'Bestsellers' sort to see what's already selling — validate before designing
• 3Try the same keyword across US, UK, and DE — competition varies dramatically
• 4Switch product type to Mugs to find niches with less competition than t-shirts
• 5The postal code helper ensures you see accurate local results for non-US markets