Split a large CSV file online — free
Break a big product CSV into smaller files (for example, 100 rows each). No signup, and your file is processed privately in your browser — nothing is uploaded.
The header row is added to every file automatically.
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Drop your CSV here
or click to browse
🔒 Nothing is uploaded or stored — the split happens on your device.
Moving these products to a different store? Use the free
CatalogPort converter to reformat your CSV for Shopify, WooCommerce, Amazon, Etsy and more.
Need the opposite? Merge CSV files into one.
Working with an API or app? Convert CSV ↔ JSON.
Why split a CSV? Many store importers and marketplaces cap how many products you can upload at once. Splitting a big export into smaller batches makes bulk imports reliable and easy to retry if one batch fails.