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Merge Etsy and TikTok Shop Sales Data for Sales Tax Reporting in the United States

Sales tax reporting needs order totals broken out consistently by date and location, which rarely matches between two platforms' raw exports. In the United States, that also means accounting for sales tax: sales tax is charged per state, and whether you owe it in a given state depends on your economic nexus there — total revenue by state matters more than total revenue alone.

Why Etsy and TikTok Shop exports don't line up

Etsy: Sale Date, usually already in your local timezone; Item Total, Shipping, and Etsy fees as separate columns, before tax; a numeric Order ID shared by every item in the same order.
TikTok Shop: an order creation time stamped in UTC; order amount, platform commission, and affiliate commission split into separate columns; a long numeric Order ID.

Neither export is built with sales tax in mind, so getting from "two raw files" to "the United States-ready numbers" means normalizing dates/totals first, then applying your own sales tax treatment on top of the merged total — not per platform separately.

How to merge them

Set your target columns once in CSV Experts (Date, Channel, Order ID, Total, and a Currency column if you sell in more than USD).
Map the Etsy export, then the TikTok Shop export — each file shape is remembered after the first time.
Export the merged sheet and apply your sales tax treatment to the combined total.

Merge your files now →

FAQ

Does this upload my sales data anywhere?

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

Does it work for more than two channels?

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

Other countries for Etsy + TikTok Shop

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