Ecommerce Tools
10 browser-local tools for Shopify and Amazon file readiness
Check seller CSVs, flat files, SKU lists, inventory updates, variation rows, and image requirements before upload. Core checks run locally in the browser.
Amazon FBA Profit Calculator
Enter price, cost, size, weight, and ad spend to estimate FBA profit, ROI, and break-even price.
Amazon Flat File Preflight Checker
Check an Amazon inventory flat file before Seller Central upload with browser-local streaming for large CSV exports.
Amazon Parent-Child Variation Checker
Check parent-child variation rows before upload and find missing parent SKUs, duplicate options, and broken variation families.
Amazon Image Requirements Checker
Batch check product images against common Amazon image requirements and download a CSV report.
Amazon FBA Box Content Checker
Check FBA box content rows before shipment upload and download both a normalized box file and issue report.
Shopify Inventory CSV Stock Update Builder
Merge supplier stock counts into a Shopify inventory CSV and download the update file plus exceptions.
Shopify Product CSV Preflight Checker
Check a Shopify product CSV for missing headers, bad handles, duplicate SKUs, prices, status, and image URLs.
Shopify SKU and Variant Duplicate Checker
Find duplicate Shopify SKUs, blank SKUs, and repeated variant option combinations in a product CSV.
Shopify CSV Header Mapper
Map supplier or CRM CSV headers to Shopify product, inventory, or customer import columns.
Shopify Customer CSV Import Cleaner
Clean a Shopify customer CSV by normalizing emails, phones, names, duplicates, and consent fields.