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500,000+ docs tracked

30,000+ professionals

Trusted in 175+ countries

See who’s serious.

Close them faster.

Stop guessing which leads are real. Share a gated link, watch buyers interact with every section, and move the serious ones to a signed agreement, all inside Sizle.

Trusted by 30,000+ professionals · 500,000+ docs tracked
Enterprise-grade security (AES-256, GDPR, CCPA)

Free 7-day trial · No card needed

Sizle — Track, Sign & Analyze PDFs
Emma W. · viewing now
Broker View
Domain Acquisition Memo
E2E encrypted SOC 2
12 views Share
Open Dashboard

Buyer Engagement

Time on section

Intro
Hist
Val
Trfc
Rev
Comps
Terms
FAQ
JL
James LiStrong buyer
Revisited valuation & comps
Desktop 🇦🇺 AU 8m 42s
SP
Sara PatelEvaluating
Revenue section · ×2 visits
Mobile 🇸🇬 SG 4m 11s
CN
Chris NolanUnlikely
Dropped at intro
Desktop 🇺🇸 US 0m 48s

Signature Status

Agreement pipeline

Completion 66%
John Carter3h ago
Signed · $185k offer
Maria ChenYesterday
Signed · counter pending
Alex GreenPending
Awaiting signature · 2d
Priya Shah2m total
Viewed · no action

Leads Collected

Captured via gate · this document

4 new leads
JL
James LiQualified
Captured 2d ago
🇦🇺 Sydney, AU Desktop · Chrome 8m 42s
SP
Sara PatelWarm
Captured 1d ago
🇸🇬 Singapore iOS · Safari 4m 11s
RL
Rachel LeeReviewing
Captured 3d ago
🇳🇿 Auckland, NZ Desktop 6m 02s
CN
Chris NolanCold
Captured 4d ago
🇺🇸 New York, US Desktop 0m 48s

Buyer Intelligence

Views vs engaged reads · 7 days

Views Engaged Sat peak · 18 views
20 10 5 18 views Mon Tue Wed Thu Fri Sat Sun Mon
EW
Emma WalshStrong buyer
Forwarded to legal · 3 sessions
🇦🇺 AUDesktop12m total
DK
David KimFollow up
Stalled at valuation
🇰🇷 KRMobile2m 30s

Trusted by top teams at

Daily Mail
McKinsey & Co.
Pedestrian TV
UCLA Riverside
UK Sport
Tixel
NavigateEngine
United Biomedical
Red Bull
Galileo Ventures
SmartHealth Biotech
Mantel Group

Know who's serious. Move them to close.

Sizle combines real-time buyer signals, instant eSignatures and secure deal workflows so you always know who's engaged, who's stalling and exactly when to move.

Leads & Viewers
Leads & Viewers
7 unique
NDA.pdf
Lead captured!

Send and Track

Identify the serious ones. Share a gated link and instantly see who's viewed, returned and spent real time. Separate genuine buyers from noise before you make a single call.

Analytics
New viewer!
Analytics
Alex viewed 53s
12 Views
4m 2s Avg time
83% Read rate

Reveal and Analyze

See exactly where they're focused. Know which sections hold attention and which lose it. Real buyer behaviour, not guesswork, so you know when interest is real.

Signatures
Signatures
J. Morgan
Signed!

Sign and Close

Move serious buyers straight to signed. When a lead's ready, collect a legally binding eSignature without leaving the deal. Fast, compliant, done.

Every tool you need to find serious buyers and close them.

Sizle brings your key dealmaking tools together in one simple and secure flow.

Branded Smart Links

Professional links, every time

Share secure links with your own logo and domain to build trust from the first view.

Document Analytics

Know what buyers care about

See which pages hold attention, where interest drops and who returns to your document.

Instant eSignatures

Close faster with confidence

Collect verified, legally binding eSignatures directly inside your documents.

Virtual Deal Rooms

Secure spaces for every deal

Create branded deal rooms with analytics, permissions and controlled access.

Lead Capture

Turn views into pipeline

Automatically capture new leads from every document view with enriched profiles.

Smart Delivery

Enterprise security, made simple

Send documents from your own domain with full branding and access control.

Get started

for

free

now

Security that closes deals

From startups to enterprises, Sizle powers millions of secure document views across more than 175 countries, designed to help teams move faster with confidence.

Trusted enterprise security for modern teams

AES-256 encryption, AWS hosting and full GDPR and CCPA compliance. Every document and workspace is protected so teams can share sensitive information without risk.

Track views, clicks and signatures in real-time

See which leads are engaged, which pages hold attention and when interest is rising or fading. Sizle turns every document into a live source of clear, verified deal signals.

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.

Alexandre dos Santos P.Professor at University of Lavras

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.

CK. PatelConsultant at McKinsey & Co.

B2B Sales Proposals

The sales team were amazed that they could "see" what slides the clients were reviewing in real-time.

Scott DaviesEngineering Sales, Briggs PLC

Agency Proposal Tracking

Sizle.io surpassed our expectations when we saw how a client is engaging with our proposal.

Sorin A.Digital Marketing Manager

Fundraising

Understanding when, where, and how much the recipients of our decks are engaged helps tremendously with our follow-up."

Tom DenisonFounder of SmartHealth Biotech

SaaS Proposal Tracking

Sizle.io is incredibly easy to use. Upload and send your document and you get detailed analytics on who viewed it.

Zunaid K.Consultant at Profit Flow

Training Material Tracking

The ability to quickly and securely share a document and view analytics has improved my file sharing process.

Seth D.Health Coach

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.

Brandon J.Recruitment at Wyn&Co

Software Sales Proposals

Seeing how much time prospects spend on each slide helps us optimise our collateral.

Oliver HeycoopFounder of Altatek Motorsport
500

k

Documents tracked

30

k

professionals

175

+

countries

FAQs

A secure online space where you share, track and sign deal documents with full visibility and control.

Sizle records every view, click and scroll in real time so you can see exactly how people interact with your documents.

Yes, you can fully brand your links and Deal Rooms with your logo, colours and domain for a professional experience.

Yes, you control who can view, download or sign, with full audit logs and access permissions.

Yes, every signature is legally binding under global eSignature laws and includes a Certificate of Completion.

Yes, invite teammates to shared workspaces to manage documents, track engagement and close deals together.

Stop guessing. Start knowing.

See exactly who's serious the moment they open your document. Then close them, without the back and forth.

Free 7-day trial · No card needed

Instant analytics

Trusted by 30,000+ professionals

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