500,000+ docs tracked
Trusted by 30,000+ professionals
Used in 175+ countries
Smart Deal Rooms.
Built to Close.
Send a doc. Track every view. Capture leads. Get it signed, instantly.
Free access for 7 days. No card needed.
or
Trusted by high performing teams at
Everything you need to close faster.
No bloat. Just the tools that move deals forward.
Smart Links
Trackable, secure links that close deals.
Send a document with a link that tracks every view, collects leads and gets signatures. All in one flow.
Instant eSignatures
Grow your business with fast signing.
Easily send and collect legally-binding digital signatures directly from your documents.
Real-Time Analytics
Know exactly who’s reading your doc, and when.
Get instant visibility into viewer behaviour. See time on page, drop-offs, revisits and more in real-time.
Self-Serve Deal Rooms
Your branded deal room, ready in seconds.
Create a live room for sharing, tracking and signing, optimised for buyer conversion.
Lead Capture
Turn views into verified leads.
Gate your sales and marketing docs with automatic email capture and build a pipeline while you sleep.
Custom Branding & Domains
Your brand, front and centre.
Add your logo, colours and domain for a seamless, professional deal experience.
From doc to deal, without the friction
Secure document tracking, lead gen, viewer analytics and e-signatures in fast, self-serve deal rooms.
1
Create a Deal Room
Secure your documents inside a Deal Room, ready to share in seconds. Manage access, approvals, leads and analytics from one place.
⚡️ Setup takes seconds
2
Share a Smart Link
Send branded, secure Smart Links with expiry, lock, or self-destruct. Know who’s reading, company and contact, before they say a word.
⚡️ Start sharing instantly
3
Track engagement
See who opened, what they read, and how long they stayed, live. Get page-by-page and time-on-slide insights to spot warm leads instantly.
⚡️ See live analytics & leads
4
Sign & close
Drop in signature fields in seconds, no logins required. Every signature is legally binding, audit-tracked and routed in custom order.
⚡️ Get binding e-signatures
Stop sending PDFs that tell you nothing
Here’s how Sizle compares to Google Drive, Dropbox or eSign tools.
Google Drive / Dropbox
Generic eSign Tools
WeTransfer
Who’s it for?
Built for people who close deals over documents and turn presentations into conversations.
Startup Founders
Pitch, share and close faster with one smart link. Track every view, capture leads and get deals signed instantly.
Investors
View and share diligence documents and decks with built-in viewer analytics. Make faster decisions with smarter data.
Sales Reps
Share decks that sell themselves. Capture leads, track drop-off points and follow up at the perfect time.
Consultants
Stop chasing document updates. Organise content, capture interest and manage clients from one place.
Agencies
Win more retainers and projects with trackable proposals, lead capture and real-time viewer insights.
Trusted globally
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.
Start
closing
smarter
today
Founders
Close your raise with clarity
Run your raise like a pro inside a branded, secure Deal Room. Track every investor view, capture leads, and get documents signed, without the back and forth.
Investors
Streamline your deal flow
Manage diligence, signatures, and founder engagement from a single source of truth. Track opportunities, route approvals, and close faster with zero inbox chaos.
Frequently asked questions
A Deal Room is a secure, trackable space to upload, share and collaborate on critical documents like pitch decks, contracts, and due diligence packs. It includes viewer analytics, lead capture, and e-signatures, so everything happens in one place.
Yes. Every Smart Link has built-in controls.
You can:
• Set passwords
• Expire or self-destruct links
• Lock or revoke access
Plus, you’ll see exactly who viewed the doc, when, and for how long.
Absolutely. Easily add e-signature fields anywhere in your doc and let stakeholders sign in one click, no logins or accounts required. All signatures are legally binding and come with full audit trails for peace of mind.
You’ll see exactly:
• Who opened your doc
• Which pages they viewed (and for how long)
• When they come back
Perfect for investor updates, sales proposals, and legal workflows.
You keep everything, your documents, links, analytics, and activity history remain fully intact. You can upgrade to keep sharing and signing, or pause until you’re ready to continue.
Yes. With a Growth plan or higher, you can fully brand your viewer experience and send links from your own domain.
Turn your docs into deal magnets
Get free access for 7 days. No credit card needed.
Trusted by 30,000+ professionals in 175+ countries
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