When Your Camera Roll Becomes a Document: Phone Photos to PDF
2026-09-20
Working with PDFs raises the same questions over and over — why a file is huge, what a password really protects, why a scan has no selectable text. These guides answer them properly, in plain English, based on how PDF Tools actually works.
2026-09-20
We’ve all been there: You have a document you want to edit, but don’t have a source file—you find yourself using a converter and getting a broken layout.
Want to keep your PDF safe? Or maybe you've got a protected file and want to remove the password? Here's how to protect and unlock PDFs quickly and securely.
Most online PDF tools send your document to a server to do work your own browser could do locally. Here is which operations truly need a server — and which never did.
Photographing paperwork is the modern scanner — but nobody wants to receive eleven photos. How to shoot documents well and turn them into a single, tidy PDF.
Converting PDF pages to images always asks the same question: JPG or PNG, and at what DPI? The right answer depends on what's on the page and where it's going.
Some PDFs let you select and search text; others behave like photographs. The difference is the text layer — and it decides what any PDF tool can do with your file.
A password-protected PDF is genuinely encrypted, not just hidden. But the protection has edges worth understanding before you trust it with anything sensitive.
Two ten-page PDFs can differ in size by a factor of a hundred. Here is what actually takes up space in a PDF, and what does and doesn't make one smaller.