Box numbers or quantities are invalid
Blank boxes, non-numeric box IDs, zero quantities, and decimal units can break box content imports.
Normalize box IDs and quantities as plain integers, then rerun the checker before sending the file.
Use this tool
Prepare the input and run the tool
Paste a box content CSV with SKU, box number, units per box, and optional expected total columns. Result: Download a normalized box content CSV and an issue report for quantity and box mismatches.
Paste FBA box content rows and check SKU, box number, unit quantity, duplicate box rows, and expected total mismatches.
Ready.
Run the checker to generate an FBA box content report.
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Tool guide
How to use Amazon FBA Box Content Checker
What this tool does
Check FBA box content rows before shipment upload and download both a normalized box file and issue report.
- Input
- Paste a box content CSV with SKU, box number, units per box, and optional expected total columns
- Output
- Download a normalized box content CSV and an issue report for quantity and box mismatches
Step-by-step usage guide
- 1Paste your FBA box content table with SKU, box number, and units per box.
- 2Run the checker to find missing SKUs, invalid quantities, duplicate SKU-box rows, and expected total mismatches.
- 3Download the normalized box content file and issue report before submitting shipment details.
Common errors and fixes
Expected totals do not match SKU rows
A SKU can be split across boxes, duplicated accidentally, or copied with an old quantity.
Compare the report totals with your packing sheet, then correct duplicate SKU-box rows or missing cartons.
Missing SKUs appear in the report
The box content file may include labels or supplier SKUs that do not match your shipment SKU list.
Map supplier SKUs to the shipment SKUs and remove packing-only notes from the upload file.
Related guides
Understand the result before you use it
FAQ
What columns should the file include?
Use SKU, box number, and units per box. Add expected total per SKU if you want the checker to compare shipment totals.
What does the normalized file contain?
It contains clean sku, box_number, units, and expected_total columns that are easier to review or remap for the next shipment step.