All Free Tools
Search and filter every tool Seller Tool Cart offers — free, no signup needed.
Amazon FBA Fee & Profit Calculator
Calculate FBA fees, referral fees and net profit for Amazon US, UK and India sellers.
Etsy Fee & Profit Calculator
Estimate Etsy listing, transaction, payment and offsite ad fees — see your real take-home.
eBay Final Value Fee Calculator
Category-wise eBay final value fees, insertion fees and PayPal — accurate net payout.
Shopify Profit Margin & Breakeven ROAS Calculator
Calculate margin, breakeven ROAS and target ad spend for your Shopify store.
Barcode Generator (EAN-13, UPC, Code128)
Generate and download printable EAN-13, UPC-A and Code128 barcodes — free, no signup.
Marketplace Profit Calculator India
Net profit on Amazon, Flipkart and Meesho after fees, GST, shipping and returns.
Product Image Compliance Checker
Check product images against Amazon, Flipkart, Meesho, Etsy and eBay rules.
GST Invoice Generator
Create GST-compliant invoices with CGST, SGST, IGST and download as PDF — free.
HSN Code Finder
Find HSN/SAC codes and applicable GST rates for any product or service.
UPI QR Poster Maker
Generate a printable UPI QR code poster for your shop. No bank details stored.
Meesho Low Shipping Image Generator
Add price + ‘Free Shipping’ tag to product images. Export Meesho-ready 1000×1000 JPGs — free.
Meesho Profit Calculator (0% Commission)
Real net profit on Meesho with 2026 shipping slabs, GST on logistics and RTO loss.
Flipkart Fee Calculator (Nov 2025 Rate Card)
Tier + category + FBF/Non-FBF fees with the latest November 2025 Flipkart rate card.