SMRTR TechDec 31, 2025Daily.dev

Introducing PDF Diff: Compare PDFs Privately in Your Browser

SMRTR summary

PDF Diff is a browser-based tool that compares two PDF documents privately, with all processing happening locally rather than uploading files to external servers. It offers five viewing modes including side-by-side, unified, and changes-only views, plus real-time statistics showing added, removed, or unchanged words. Built with React 19 and TypeScript, it supports multi-page documents and exports comparison results as PDF reports, making it ideal for reviewing contracts, proposals, and other sensitive documents.

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