Symdeslow Compare Tool – Highlight differences and generate reports in Google Sheets

Summary: Symdeslow Compare Tool enables teams to quickly compare two datasets in Google Sheets by highlighting differences and generating detailed reports. It supports direct column comparison and key-based row matching, improving accuracy and efficiency in data review.

What it does

The tool compares datasets using direct column-to-column or key-based methods, identifies missing or duplicate items, and produces difference reports. It leverages Apps Script, Cloudflare Worker, and Supabase for secure authorization.

Who it's for

It is designed for teams handling product lists, financial data, inventory updates, or supplier files requiring accurate and efficient dataset comparison.

Why it matters

It reduces manual scanning time and human error, saving 30–90 minutes per comparison and minimizing costly mistakes in data management.