CloakShare
Blog
2026-03-06
How to Track Who Viewed Your PDF in 2026
Four ways to track who opened and read your PDF — from email receipts to API-first analytics. Compare methods, costs, and reliability.
2026-03-06
Best Self-Hosted Document Sharing Tools in 2026
Compare 5 self-hosted document sharing platforms: CloakShare, Papermark, Nextcloud, OnlyOffice, and Stirling PDF. Licenses, features, and trade-offs.
2026-03-06
How to Watermark Documents Before Sharing
Static vs dynamic watermarks, why they matter for shared documents, and how to apply them automatically with an API. Honest security trade-offs included.
2026-03-06
How to Track Investor Deck Engagement in 2026
Track which slides investors spend time on, who returned for a second look, and who forwarded your deck. A practical guide to pitch deck analytics.
2026-03-06
DocSend Pricing in 2026: What You're Really Paying
DocSend pricing breakdown for 2026: per-seat costs, hidden limits, feature gating, and real-world team costs. Plus alternatives at every price point.
2026-03-06
Open Source Document Sharing Platforms Compared (2026)
Honest comparison of open-source DocSend alternatives: CloakShare, Papermark, and Nextcloud. Licenses, features, and when to choose each one.
2026-03-06
Best DocSend Alternatives for Developers in 2026
Compare open-source and commercial DocSend alternatives. CloakShare, Papermark, PandaDoc, Digify, and Google Drive — honest breakdown.
2026-03-06
Why We Open-Sourced CloakShare
The reasoning behind MIT licensing, self-hosting, and the open-core business model for a secure document sharing API.
2026-03-06
How We Built Page-Level Analytics for Shared PDFs
Technical deep dive: Poppler rendering, canvas-based viewing, IntersectionObserver tracking, and real-time engagement aggregation.
2026-03-06
How to Share Your Pitch Deck Without Losing Control
Track who views your deck, which slides hold attention, and whether investors forwarded it. Secure pitch deck sharing for fundraising.
2026-02-28
Secure Video Sharing API: HLS Streaming with Watermarks and Analytics
How to share videos securely with adaptive HLS streaming, canvas watermark overlays, watch time tracking, and anti-download protections.
2026-02-28
Self-Host Your Document Sharing Platform with Docker
Deploy a secure document and video sharing platform on your own infrastructure in under 5 minutes with Docker Compose.
2026-02-28
The Complete Guide to Building a Document Sharing API
Everything you need to know about building secure document sharing into your application: watermarks, access controls, analytics, and video.
2026-02-28
Introducing Cloak: Secure Document & Video Sharing as an API
Upload a file, get a secure link. Track views, watermark pages, stream video, set expiry — all via API. Open source.
2026-02-28
How to Add Secure Document Sharing to Your App in 5 Minutes
A step-by-step tutorial showing how to integrate Cloak into your application with just 4 API calls.
2026-02-28
Why Your Sales Team's Docs Keep Leaking (And How to Fix It)
PDF attachments get forwarded. Google Drive links get shared. Here's a better way to share sensitive documents and videos.