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Merge Amazon Seller Central and Faire Sales Data for Google Sheets Import

A clean Google Sheets dashboard across channels starts with a single sheet that already has matching columns.

Why Amazon Seller Central and Faire exports don't line up

Amazon Seller Central: a purchase date/time column stamped in UTC, not your local time; item price, promotion discounts, and Amazon referral fees split across several columns; an Amazon Order ID in a long dashed format (e.g. 123-4567890-1234567). Also, reports differ noticeably between the 'All Orders' report and the Payments/Settlement report — totals rarely match at a glance.
Faire: an order date shown alongside a separate ship date for wholesale orders; wholesale unit price plus a Faire commission column, distinct from retail-style totals; an order number tied to a retailer account rather than an individual consumer. Also, quantities are per case/pack rather than per unit, which throws off totals if merged as if it were a retail export.

For google sheets import, that mismatch is exactly what causes hours of manual cleanup every period.

Open CSV Experts and set your target columns once (Date, Channel, Order ID, Total).
Drop in your Amazon Seller Central export and map its columns once.
Drop in your Faire export and map it the same way — both merge into one sheet, normalized.
Export as CSV or Excel. Same-layout files merge automatically next time.

No. Everything runs in your browser using JavaScript — your files are never sent to a server.

Yes. Add as many source files as you want; each distinct file layout is mapped once and remembered.