Marcin Walczak

Hey Startupbase 👋

I'm the maker of Beamprobe - a secure document sharing tool with real-time viewer analytics. Think of it as a modern, more affordable alternative to DocSend.

Why I built it

Email attachments are a black hole. You send a pitch deck, proposal, or contract - and have no idea if it was opened, skimmed, forwarded, or ignored. Existing tools like DocSend solve this, but they're priced for enterprise sales teams, not founders or small consultancies.

Beamprobe replaces attachments with trackable links. You get:

• Page-by-page analytics - see exactly which slides held attention and which got skipped
• Real-time view alerts - know the moment someone opens your deck
• Access controls - email verification, passwords, NDA gates, expiration dates, one-click revoke
• Custom-branded viewer - your domain, logo, colors
• Data rooms - group multiple files into a single secure link
• Free plan with all the core features, no credit card

Who it's for

• Founders raising capital (pitch decks)
• Sales teams (proposals, contracts)
• Consultants and agencies (reports, deliverables)
• Investment bankers, M&A advisors (data rooms)

What's next

Working on CRM integrations, AI summaries of viewer behavior, and team workspaces. Roadmap is shaped by user feedback - so if you try it and have thoughts, drop them here or email me directly.

Happy to answer any questions about the product, the build, or the bootstrapped journey behind it. 🙏

Looks useful indeed!

Love the graphics

very interesting