Modern deal rooms, built to close.
Share documents, track engagement and collect signatures in secure, branded deal rooms
No credit card required
Instant setup
Secure eSign
Take control of your document ecosystem
Branded Deal Rooms
Create secure, branded spaces for fundraising, diligence, or strategic deals. Host files, track engagement, and close, all in one place.
Document Sharing
Upload pitch decks, NDAs, and term sheets into your deal room. Control access, protect IP, and track every open with link-level visibility.
Trackable Links
Generate smart links that show who’s engaging, when, and for how long. See opens, time-on-page, and viewer ID, before the call.
Signatures & Lead Capture
Capture leads and close deals faster with built-in, legally binding eSignatures. No switching tools. No drop-off. Just one seamless flow.
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Community
Trusted by 29,000+ founders and dealmakers worldwide
Sizle.io is a great tool to easily share files that we do not want to be copied or modified.
The best part about Sizle.io is finding out who viewed a presentation, which slides they focused on, and for how long.
The sales team were amazed that they could “see” what slides the clients were reviewing in real-time.
Sizle.io surpassed our expectations when we saw how a client is engaging with our proposal.
Understanding when, where, and how much the recipients of our decks are engaged helps tremendously with our follow-up.”
Sizle.io is incredibly easy to use. Upload and send your document and you get detailed analytics on who viewed it.
The ability to quickly and securely share a document and view analytics has improved my file sharing process.
The insights and analytics are detailed and useful. No longer do I have to wonder if a client has opened an email.
Seeing how much time prospects spend on each slide helps us optimise our collateral.
Frequently asked questions
Your free trial lasts 7 days and includes full access to all Pro features. You can create unlimited deal rooms, upload and share documents, track engagement analytics and fully brand your workspace, no credit card required.
Sizle tracks every document view, including page-by-page analytics, time spent on each page and when a document was last opened. You also receive enriched lead data including email, location, device type and time of interaction.
Yes. Sizle, you can request legally binding signatures in seconds with no recipient account required. Signatures are backed by Lumin, the global standard for compliant, secure eSignatures. Every signed document includes a secure audit trail.
Absolutely. You can control who sees your documents with link expiry dates, password protection, email-gated access and viewer role permissions in Workspaces like view-only.
Yes. Pro, Advanced and Enterprise plans allow you to add a custom URL and company logo to maintain a consistent and professional experience.
Yes. Every signature collected is legally binding and compliant with ESIGN (US), UETA (US), and eIDAS (EU) regulations. Every document includes a secure audit log.
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Launch your first deal room in 60 seconds
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Instant setup
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