Column Mapper

Paste your CSV header row — or upload a small sample — and this tool will suggest a mapping to the canonical shopperGPT products schema. Everything runs in your browser. Nothing is uploaded.

1. Paste your CSV

Paste the header row (and optionally one sample data row), or upload a small sample file. Everything runs in your browser — no data is uploaded.

…or upload a CSV file

What to do with the mapping.json

The downloaded file describes how to transform your source rows into canonical shopperGPT rows. Apply it with one of the helper snippets:

Node.js — produces canonical NDJSON from your raw CSV
Python — same, standard library only