James Montemagno 12/31/2025

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PDF Diff is a new, privacy-first web tool that allows users to compare two PDF documents entirely within their browser. It runs client-side using JavaScript, ensuring sensitive documents never leave the user's device. The tool offers multiple view modes (side-by-side, unified, additions/removals only), real-time change statistics, multi-page support, and the ability to export comparison results as a PDF report.

Introducing PDF Diff: Compare PDFs Privately in Your Browser

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