Tally: New Browser Tool Lets Users Verify Spreadsheet Numbers Against Sources

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A developer has launched Tally, a browser-based tool designed to help users fact-check numbers in spreadsheets against their original source data. The tool runs entirely in-browser, meaning no data needs to be uploaded to an external server. It was shared on Hacker News as a community showcase submission. The project aims to address a common pain point in data workflows where figures in spreadsheets can drift or differ from their underlying sources.

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