Find profitable products in seconds, not hours.

The ultimate wholesale and arbitrage terminal for Amazon FBA sellers. Process 100,000-row supplier lists, instantly calculate exact FBA fees, and isolate the winners.

Launch Terminal

No signup required to try. Process your first 100 rows as a guest.

Gridwinner product inspector: detailed product analysis and true cost breakdown

Best suited for

AmazonKeepaHelium10Jungle ScoutAlibaba

One terminal. Every angle covered.

Upload your supplier list to analyze Amazon rankings, FBA fees, ROI, and risk in one unified view. Eliminate the need for juggling multiple spreadsheets with our high-performance data terminal.

100% Local Processing

Your supplier data never leaves your browser. Process everything on your machine—zero cloud uploads, zero data risk.

Handle 0+ Rows

Virtualized tables keep scrolling at 60fps. No lag, no crashes, no waiting on huge supplier lists.

Instant FBA & ROI Math

Target ROI, max buy cost, and true cost breakdown per product so you know exactly what to pay.

Gridwinner list dashboard: product table with ROI, fees, and filters
A spreadsheet interface showing frozen screens and numerous error messages.

Stop using broken Excel spreadsheets.

You've been there: managing thousands of rows of data, struggling with manual VLOOKUP formulas, tracking fees that don't add up, and dealing with Excel spreadsheets that crash when you scroll.

  • No more manual ROI calculations and reporting
  • No more frozen spreadsheets and lost data
  • No more uploading sensitive business data to random third-party tools

Three steps to profit

From upload to insights in under 30 seconds.

01

Upload

Drag and drop your supplier CSV or Excel file. We auto-detect columns.

02

Analyze

Our engine calculates fees, ranks, ROI, and assigns traffic lights instantly.

03

Profit

Filter to green lights, export your winners, and start sourcing.

Stop digging. Start scaling.

Join professional Amazon sellers finding highly profitable leads in seconds. Find just one winning product, and the Pro plan pays for itself.

Guest

$0

  • Try without signing up
  • Limited use of terminal
  • Process first 100 rows
  • Top 10 winning products displayed
  • Standard ROI & Profit Calculator

Not included

  • Unlimited rows & files
  • Unlock all hidden products
  • PO file generator
  • Unlimited CSV exports
  • Priority support
Try now

Free

$0

No credit card required.

  • 3 File Uploads per month
  • Target ROI
  • Max buy cost
  • Scans up to 500 rows per file
  • Top 25 winning products
  • Limited use of terminal
  • Standard ROI & Profit Calculator

Not included

  • Unlimited rows & files
  • Unlock all hidden products
  • PO file generator
  • Unlimited CSV exports
  • Priority support
Create free account
Best value

Pro

$29 / month

Cancel anytime.

  • Everything on free tier
  • Unlimited rows & files
  • Unlock all hidden products
  • PO file generator
  • Unlimited CSV exports
  • Priority support
Upgrade to Pro

Frequently asked questions

Absolutely. Gridwinner processes your supplier files 100% locally in your browser using Web Workers. Your data is never uploaded to our servers, keeping your competitive edge secure.

Ready to find your first winner?

Join thousands of sellers who analyze smarter, not harder.

Launch Terminal