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Know who’s real.

Close with confidence.

Buyer signals, gated access and deal flow in one place. Open a secure deal room, qualify intent, control access to key documents, and move serious counterparties through signatures and close.

Enterprise-grade security · AES-256 · GDPR · CCPA

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Sizle — Track, Sign & Analyze PDFs
$185,000
Deal Executed
Domain Acquisition Memo · 3 of 3 signed
18 pages · All parties executed
Secure Encrypted Access Control
12 views
Domain Acquisition Memo
ProtectionEncrypted at rest & in transit
WatermarkDynamic · per viewer
Audit trailTimestamped · immutable
$185,000 · 18 pages · 3 signers required
1Tracked
2Gated
3eSign

Buyer Activity

James L.
Introduction
Avg time0m 42s
Viewers8 / 12
Intro
History
Avg time1m 08s
Viewers10 / 12
Hist
Valuation
Avg time2m 34s
Viewers12 / 12
Val
Traffic
Avg time1m 15s
Viewers9 / 12
Trfc
Revenue
Avg time1m 52s
Viewers11 / 12
Rev
Comparables
Avg time1m 06s
Viewers10 / 12
Comps
Terms
Avg time0m 28s
Viewers6 / 12
Terms
FAQ
Avg time0m 18s
Viewers4 / 12
FAQ
JL
James LiStrong buyerclick to expand
Revisited valuation & comps · 4 sessions
SP
Sara PatelEvaluatingclick to expand
Revenue section · ×2 visits
CN
Chris NolanUnlikelyclick to expand
Dropped at intro · 48s total

Closing the Deal

0 of 3 signed0%
John Carter ✓ Signed3h ago
Buyer · Executed all 18 pages
Maria Chen ✓ SignedYesterday
Broker · Counter pending
Alex GreenAwaiting signature
Seller · Reminder sent 2d ago

Qualified Buyers

3 new leads
JL
James LiQualified
james@acme.co · Read 8m 42s
SP
Sara PatelWarm
sara@capital.io · Skimmed 2m 11s
RL
Rachel LeeReviewing
rachel@ventures.com · Downloading

Deal Intelligence

ViewsEngagedSat peak · 18 views
Mon
5views
2engaged
2010518 viewsMonTueWedThuFriSatSunMon
EW
Emma WalshStrong buyer
Forwarded to legal · 3 sessions
DK
David KimFollow up
Stalled at valuation
PS
Priya ShahNew viewer
First visit · shared via link
Setting up deal room…↻ Watch again

500,000+ docs tracked

30,000+ professionals

Trusted in 175+ countries

Daily Mail
McKinsey & Co.
Pedestrian TV
UCLA Riverside
UK Sport
Tixel
NavigateEngine
United Biomedical
Red Bull

Know who’s serious. Move them to close

Sizle combines buyer qualification, secure access, agreements and signatures into one transaction-ready flow, so you know who is engaged, what they’ve seen and when a deal is ready to move.

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

Send and Track

Identify serious leads. Share a gated link and instantly see who's viewed, who's returned and who's spending time. Separate genuine buyers from noise before you pick up the phone.

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 genuine.

Signatures
Signatures
J. Morgan
Signed!

Sign and Close

When a buyer is ready, move them from access to agreement without leaving the room. Collect binding signatures and keep the transaction moving inside one controlled flow.

Everything needed to qualify
buyers and move a deal forward

Sizle brings access control, buyer signals, agreements and signatures into one secure transaction flow.

Branded Smart Links

Professional links, every send

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

Document Analytics

Know what buyers actually read

See which pages hold attention, where interest drops and who keeps coming back.

Instant eSignatures

Close deals faster, confidently

Collect legally binding eSignatures directly inside your documents, no switching tools.

Virtual Deal Rooms

A secure space for every deal

Create branded deal rooms with built-in analytics, permissions and access controls.

Lead Capture

Turn views into qualified pipeline

Capture enriched lead profiles automatically from every document view.

Smart Delivery

Enterprise security, zero friction

Send from your own domain with full branding and granular access controls.

Get started

for

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Security that closes deals

From startups to enterprises, Sizle powers millions of secure document views across 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 materials with confidence.

Track views, clicks and signatures in real-time

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

Trusted by professionals globally

Academic Research Sharing

Sizle is a great tool to share files we don't want copied or modified.

Alexandre dos Santos P.Professor at University of Lavras

Client Proposal Sharing

The best part about Sizle is seeing who viewed a presentation, which slides they focused on and for how long before following up.

CK. PatelConsultant at McKinsey & Co.

B2B Sales Proposals

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

Scott DaviesEngineering Sales, Briggs PLC

Agency Proposal Tracking

Sizle surpassed our expectations when we saw how clients engaged with proposals.

Sorin A.Digital Marketing Manager

Fundraising

Understanding when, where and how much recipients engage with our decks helps tremendously with follow-up.

Tom DenisonFounder of SmartHealth Biotech

SaaS Proposal Tracking

Sizle 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

Being able to quickly and securely share a doc with full analytics has streamlined my full workflow.

Seth D.Health Coach

Consultant Proposal Tracking

The insights are detailed and actionable. No more wondering 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 sales 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