PDFPrivado knowledge center

PDF and privacy guides

Practical explanations, reproducible tests and resources to understand what really happens to a PDF document when you use an online tool.

Published guides

Learn to distinguish local processing from remote transfer using offline mode, network traffic, POST/PUT, blobs and canary documents.

Understand where a PDF operation runs, how to identify remote transfer and what an offline test can actually prove.

Learn what HTTPS actually protects and why an encrypted connection does not prove that your document stays on your device.

Explore our methodology, evidence and comparative test of the same operation across several online PDF services.

Local processing and server-side processing

HTTPS, privacy and file transfers

Network traffic, POST, PUT and temporary storage

Telemetry, analytics and document transfers