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All articles tagged with “Privacy”.

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Privacy

All articles tagged with “Privacy”.

8 articles

The Complete Guide to Free PDF Tools

Everything you can do with a PDF for free — all 21 browser-based tools covering merge, split, compress, convert, protect, edit, annotate, OCR, accessibility, and more. No account, no install, no upload to external servers.

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PDF Encryption Explained: 128-bit vs. 256-bit AES

Not all PDF passwords offer the same protection. Here's what 128-bit and 256-bit AES encryption actually mean, why your password matters more than the algorithm, and which standard PDFToolShack uses.

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How to Add a Watermark to a PDF (Text or Image)

Adding a watermark to a PDF protects your documents and brands your work. Here's how to stamp text or image watermarks on any PDF — free, in your browser, with a live preview before applying.

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How to Password Protect a PDF for Free

Adding a password to a PDF takes seconds and keeps sensitive documents secure. Here's the difference between open passwords and permissions restrictions, how 256-bit AES encryption works, and how to protect any PDF for free.

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