Excel to CSV for E-commerce: Convert Product and Inventory Files for Platform Import
E-commerce platforms import products, inventory, and orders via CSV — not Excel. When your supplier sends a product catalog as .xlsx, or your warehouse exports inventory counts as an Excel file, you need to convert before you can import. Deliteful converts Excel files to UTF-8 CSV in one step, so you can move from supplier file to platform import without a manual Excel export.
E-commerce managers working with Shopify, WooCommerce, Amazon Seller Central, or other platforms regularly face this conversion problem. Supplier product catalogs arrive as .xlsx files. Warehouse management systems export inventory as Excel workbooks. Fulfillment partners send order data in Excel. Each of these needs to become a CSV before it can be uploaded to a platform or fed into a bulk import tool. Doing this through Excel's Save As dialog introduces encoding inconsistencies that cause import rejections — particularly for product titles and descriptions containing special characters or non-ASCII text.
Deliteful converts each uploaded .xlsx or .xls file to UTF-8 CSV, which handles special characters correctly and is the encoding most e-commerce platforms explicitly require. Formulas in the Excel file — calculated totals, inventory adjustments, pricing rules — are resolved to their output values, so your CSV contains the actual prices and quantities the platform expects, not formula strings.
How it works
- 1
Upload your Excel catalog or inventory file
Upload the .xlsx or .xls file from your supplier, warehouse, or export tool.
- 2
First sheet converts to UTF-8 CSV
Deliteful exports all rows and columns from the first worksheet with formulas resolved and UTF-8 encoding applied.
- 3
Import CSV into your platform
Download the converted CSV and upload it directly to Shopify, WooCommerce, Amazon Seller Central, or your bulk import tool.
Frequently asked questions
- Will product titles with special characters or accented letters import correctly?
- Yes. UTF-8 encoding supports the full Unicode character set, including accented characters, em dashes, and non-Latin text. This is one of the main advantages of UTF-8 CSV over Excel's default CSV export, which can produce encoding errors for non-ASCII characters.
- Can I convert supplier product catalogs that have hundreds of rows?
- Yes. The tool handles standard spreadsheet sizes without issue. Very large workbooks with thousands of rows and many columns may require splitting into smaller files for reliable processing.
- Does this work with inventory files exported from warehouse management systems?
- Yes. Excel files generated by WMS platforms like ShipBob, Fishbowl, or similar systems are standard .xlsx workbooks and convert normally. The output CSV is suitable for re-importing into your e-commerce platform or updating inventory via bulk upload.
- What if the product catalog has separate sheets for different categories?
- Only the first worksheet is exported. If your catalog organizes categories across multiple sheets, consolidate the data onto the first sheet or export each category sheet as a separate file before uploading.
- Can I batch-convert multiple supplier files at once?
- Yes. Upload multiple Excel files in a single session and each produces its own CSV output, which is useful when processing catalogs from multiple suppliers simultaneously.
Create your free Deliteful account with Google and convert your supplier and inventory Excel files to platform-ready CSV for your next bulk import.