Barcode CSV Auditor
Check a CSV column of product barcodes for invalid lengths, non-digit characters, and incorrect check digits.
How do I validate barcodes in a spreadsheet?
Export the sheet as CSV, identify the barcode column, and run the audit. The report preserves leading zeros and gives each row a validity result and explanation.
Your result
A little clarity, right here.
Start with your own content or load the example. Your result will appear here.
Three simple steps
How to use Barcode CSV Auditor
Paste your content or choose a supported file.
Adjust the options, then run the tool.
Review the result and copy or download it.
Common questions
Good to know
Understand the result.
Keep the original.
Is this tool free, and are my files uploaded?
This tool is free with no account required. The work happens in your browser. Your input and files are not sent to a processing server.
What are the limits and details?
The audit checks GS1 numeric code structure, not product registration or uniqueness. Column names are case-sensitive.
Limits: 500,000 characters per text field; files up to 20 MB each, 10 files and 50 MB total. Processing stops after 30 seconds.