Privacy & Security Blog

Expert insights on document privacy, client-side processing, and protecting your sensitive information

How to Verify if a Tool is Truly Privacy-First: No Server Upload Checklist

Learn how to verify if online tools actually respect your privacy. A practical guide to checking if your files stay local or get uploaded to servers using browser DevTools.

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How to Remove Hidden Metadata from Your Documents Before Sharing

A complete guide to understanding and removing EXIF data, document properties, and hidden metadata that could expose your privacy. Learn what information is hidden in your files and how to strip it safely.

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Client-Side vs Server-Side File Processing: A Privacy Comparison

Understanding the technical and privacy differences between browser-based and server-based document processing. Why client-side processing is the only truly private option for sensitive files.

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Why You Should Never Upload Sensitive PDFs to Online Tools

Discover the hidden risks of uploading documents to free online PDF tools. Learn what happens to your files after upload and why client-side processing is the only safe alternative for confidential documents.

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The Hidden Cost of 'Free' Online Tools: What Happens to Your Documents

Free tools aren't really free. Discover how your documents are used for data mining, AI training, and advertising—even by trusted brands like Google and Adobe.

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