Best Tool for Secure Document Sharing in 2026
Last Updated: October 3, 2025
Sensitive documents need controls around who can view or download them, not just a simple email attachment. Secure Document Sharing tools add access controls, tracking, and encryption to shared files.
Legal and finance teams use secure sharing to protect sensitive documents while still making them accessible to the right people.
Papermark
PapermarkOpen-Source Document Sharing with Analytics is the best for Secure Document Sharing. So, let’s take a closer look at this tool.
Papermark is a secure document sharing tool that helps you track how people engage with your files. Unlike traditional file sharing services, Papermark shows you exactly who viewed your documents, how long they spent on each page, and which sections got the most attention.
The platform supports various file types including PDFs, presentations, Word documents, spreadsheets, and videos. You can create shareable links with custom settings like password protection, email requirements, and viewing time limits. For teams handling sensitive deals or important presentations, Papermark offers data room features that organize multiple documents in secure virtual spaces.
Being open-source means you can host Papermark on your own servers for complete data control, or use the cloud version for convenience.