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PDF, Word, Excel, MD

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Private Tool

Your documents are never uploaded to any server. All processing is 100% local utilizing browser technologies.

About Universal File Opener

Have you ever downloaded a `.docx` or `.xlsx` extension but lacked the expensive desktop software needed to view it? Our free online document viewer runs completely offline natively in your web browser. Safely open PDF, Excel spreadsheets, Markdown files, and Word documents without registration.

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