Honest Chart tool displays SHA-256 fingerprint to verify CSV data integrity

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A developer has built Honest Chart, a free browser-based tool that converts CSV files into charts while displaying a SHA-256 fingerprint of the uploaded file. The fingerprint allows users to confirm that the source data has not been altered between uploads, ensuring the chart accurately reflects the original file. The tool is aimed at anyone creating quick visualizations for slides or sharing purposes who wants an added layer of data transparency. Honest Chart is available as a demo page on GitHub and requires no installation or sign-up. The developer is seeking community feedback on practical use cases and potential limitations of the approach.

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