iScale Labs

Install the free iScale Labs Chrome extension, then search any niche on Amazon. The extension overlays BSR (Best Sellers Rank), recent-upload dates, and competition density directly on the search results — no copy-pasting ASINs into a separate tool. Use it together with MerchRadar: run a niche search here, then read the overlaid data to judge demand vs competition at a glance. They also offer a Pinterest extension that surfaces save counts and trend signals before niches peak.

• 1Look for niches where page 1 shows recent upload dates AND strong BSR — that means fresh demand
• 2High competition density with weak BSR numbers = saturated niche, skip it
• 3Every iScale Labs tool is free — data is anonymously aggregated to sharpen trend signals
• 4Use the Pinterest extension to spot visual trends before they hit Amazon
• 5Combine the BSR overlay with MerchRadar's Bestsellers sort for fast niche validation