Tips, tutorials, and insights about PDF tools and digital privacy.
You opened a PDF and tried to select text — but nothing happens. Here's why your scanned PDF behaves like an image, and what OCR can actually do about it.
Most free PDF tools require uploading your files to remote servers. Here's what actually happens to your documents — and why it matters.
When a website says 'your files never leave your browser,' what does that actually mean? A look at how browser memory works and why it matters for privacy.
Your PDF is 47 MB and you need it under 10. Before you compress it, here's what's actually making it so large — and what you can do about it.
PDF files support two types of passwords and multiple encryption methods. Here's what each one protects, what it doesn't, and why it matters.