500,000+ docs tracked
30,000+ professionals
Trusted in 175+ countries
Password Protect PDFs
Add PDF password protection with Sizle’s secure PDF sharing tools. Password protect a PDF so only people with the password can view your document.
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Trusted by high performing teams
One platform. From pitch to signature
Sizle combines secure data rooms, real-time analytics and eSignatures into one Document CRM, to track, sign and close every deal from a single link.
Send and Track
Turn every file into a live analytics dashboard. See who opened, clicked and returned for full visibility from first view to signature.
Reveal and Analyze
Identify which pages hold attention and which are skipped. Convert every document into clear, measurable buyer insight.
Sign and Close
Request and collect fast, binding eSignatures directly inside your documents. Each signature includes a verified audit trail.
The Document CRM that unifies your workflow
Sizle brings every dealmaking tool into one simple, secure flow.
Branded Smart Links
Professional links every time
Use your logo and domain to share secure links that build instant trust.
Document Analytics
Know what clients really think
See which pages engage the most and exactly where interest drops.
Instant eSignatures
Close deals faster
Collect verified, legally binding eSignatures inside your documents.
Virtual Deal Rooms
Secure spaces for every deal
Branded, secure portals with analytics and controlled access.
Lead Capture
Turn viewers into pipeline
Capture new leads automatically from every document view.
Smart Delivery
Enterprise security made simple
Send from your own domain with full access control and branding.
From doc to deal, without the friction
1
Create a Deal Room
Upload your deck, proposal, or contract instantly transformed into a private, trackable deal room.
⚡️ Free to start
2
Share a Smart Link
Send one secure link, no attachments, no version chaos, just instant access with live tracking.
⚡️ Start sharing in seconds
3
Track engagement
Know exactly who’s viewing, what they’re reading, and how long they stay, in real time.
⚡️ Instant insights & leads
4
Sign & close
Request legally binding signatures directly inside your deal room, done in moments, not days.
⚡️ Sign in seconds
Who uses Sizle to close deals faster
From solo founders to global sales teams, Sizle helps anyone turn shared documents into real, trackable deals.
Startup Founders
Close your round with confidence. Track which investors actually read your deck, follow up while interest is high and maintain momentum.
Investors
See what your buyers care about most. Analytics reveal where deals stall, who’s engaged and when to re-engage to better allocate capital.
Agencies
Turn proposals into pipelines. Capture leads, signatures, and insights automatically from every shared document, and scale client revenue faster.
Enterprises
Unify deal visibility across teams. Capture leads, monitor engagement and ensure every follow-up happens at the perfect moment.
Consultants
Deliver clarity at scale. Capture engagement, collect signatures, and manage every client deliverable securely, all from one branded workspace.
Trusted by professionals globally
Academic Research Sharing
Sizle.io is a great tool to easily share files that we do not want to be copied or modified.
Client Proposal Sharing
The best part about Sizle.io is finding out who viewed a presentation, which slides they focused on, and for how long.
B2B Sales Proposals
The sales team were amazed that they could “see” what slides the clients were reviewing in real-time.
Agency Proposal Tracking
Sizle.io surpassed our expectations when we saw how a client is engaging with our proposal.
Fundraising
Understanding when, where, and how much the recipients of our decks are engaged helps tremendously with our follow-up.”
SaaS Proposal Tracking
Sizle.io is incredibly easy to use. Upload and send your document and you get detailed analytics on who viewed it.
Training Material Tracking
The ability to quickly and securely share a document and view analytics has improved my file sharing process.
Consultant Proposal Tracking
The insights and analytics are detailed and useful. No longer do I have to wonder if a client has opened an email.
Software Sales Proposals
Seeing how much time prospects spend on each slide helps us optimise our collateral.
Turn docs into deal intelligence
Sizle shows what really happens after you hit send.
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