Files & Privacy Guides

Practical guides to PDFs, images and keeping your files private, with free browser-based tools.

PDF & Files

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Privacy

Are Free Online Tools Safe? What to Check Before You Upload a File

Not every free tool treats your files the same way. Here is a simple way to tell which ones keep a copy and which ones never see your file.

2026-10-01·4 min read

Photo by Glenn Carstens-Peters on Unsplash

PDF

How to Compress a PDF for Email Without Ruining It

Your email bounces because the PDF is too big. Here is why that happens, how to shrink the file without wrecking it, and how to do it without handing your document to a stranger's server.

2026-10-06·9 min read

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