Amazon Listing Upload Preflight

A practical preflight guide for checking Amazon flat files, variation rows, and product images before uploading listing changes in Seller Central.

Input
Amazon inventory flat file, CSV, or tab-delimited template export with header row
Output
Amazon flat-file issue report
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Amazon FBA Profit and Shipment Check

Estimate FBA profit, then check box content rows before submitting shipment details.

Input
Product cost, sale price, referral fee, fulfillment fee, storage estimate, and shipping cost values
Output
FBA profit calculation CSV
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Shopify Inventory CSV Update

A step-by-step workflow for updating Shopify inventory quantities from a supplier, warehouse, POS, or ERP SKU file while keeping an exception report for rows that need review.

Input
Shopify inventory CSV export
Output
Shopify inventory update CSV
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Shopify Product CSV Import Check

Check a Shopify product CSV for handle, SKU, variant, price, status and image URL issues before the next upload.

Input
Shopify product CSV export
Output
Product CSV preflight report
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Shopify Customer CSV Import Cleanup

Map customer columns, normalize emails, find duplicates, validate consent fields and export a cleaner Shopify customer CSV.

Input
Customer CSV from an old store, CRM, email tool, spreadsheet, or Shopify export
Output
Clean Shopify customer CSV
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Image Upload Fix Tools

Prepare images before an upload by checking size, compressing files, resizing to exact pixels, cropping to platform ratios, removing metadata, and padding product photos.

Input
Local JPG, PNG, WebP, or similar browser-readable image files
Output
Compressed image files
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Ecommerce CSV and Marketplace Preflight Tools

Preflight Shopify, Amazon, marketplace, and supporting CSV files before import so missing fields, duplicate SKUs, invalid quantities, customer rows, and image problems are easier to fix.

Input
Shopify product, customer, inventory, or SKU CSV exports
Output
Platform-specific issue reports
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Printable Life Tools

Create printable checklists and labels for moving, home inventory, home maintenance, pantry or freezer dates, and QR storage bins without turning the printed artifact into a web page screenshot.

Input
Move date, household options, room names, box counts, or custom moving tasks
Output
Printable moving address checklist
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CSV and JSON Data Cleanup and Handoff

Clean, split, compare, merge, or convert CSV and JSON files into outputs that are easier to inspect and hand off.

Input
CSV export with a header row and, for comparisons or merges, a stable key column
Output
Cleaned CSV with selected columns
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