How to remove duplicate sku rows from a csv
- Step 1Export product or inventory CSV — Download the file from your shop, marketplace, supplier, or spreadsheet.
- Step 2Drop the file into Deduplicator — The CSV is parsed locally. Free handles up to 2,000 rows per file.
- Step 3Choose the SKU-like key — Pick SKU, ASIN, barcode, or product ID as the unique key column.
- Step 4Download deduped inventory — Export the clean CSV for your ecommerce platform or inventory system.
Frequently asked questions
Can it dedupe by ASIN instead of SKU?+
Yes. Select ASIN or any other column as the unique key.
Does this combine stock quantities?+
No. It removes duplicate rows by key. It does not sum inventory quantities.
Does product data leave my browser?+
No. CSV contents stay local.
Privacy first
Processing runs locally in your browser with PapaParse. No file is uploaded — only metadata counters are saved for signed-in dashboard stats.