PDF Guides

The difference between a visual signature and a qualified digital signature, when to use each, and how to sign a PDF for free online.

Everything you need to know about PDF protection: encryption types, how to choose a strong password, and how to share it securely.

Guide to the PDF/A format for long-term document archiving. Differences between PDF/A-1a and 1b, and how to convert your files.

How to anonymize PDF documents while complying with GDPR. What to redact, the difference between covering and redaction, and why local processing matters.

Combine multiple PDF files into a single document with no limits, watermarks, or registration required.

How to transform PDF pages into high-quality JPG images and create PDFs from photos. All in the browser, for free.

Practical guide to splitting, extracting, and deleting pages from a PDF. Difference between split, extract, and delete.

Convert DOCX files to PDF for free, without installing any software. Perfect for Linux, Chromebook, and anyone without an Office license.

Step-by-step guide to numbering pages and adding custom watermarks to your PDF documents. Free, in the browser, no software required.

Why uploading PDFs to third-party servers is risky, and how to compress documents safely in your browser without installing anything.