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Over half a million files tracked

Trusted by 30,000+ professionals

Used in 175+ countries

Empowering people

and teams to do more.

We believe in creating ripple effects of efficiency.

Sizle is a secure document sharing platform that transforms the way teams work. Sizle is more than software, it’s smarter workflows, better engagements and faster closes.

Every part of Sizle has been carefully engineered and designed with your success in mind, turning routine tasks into strategic opportunities.With Sizle, you gain the clarity and control to not just share documents, but to propel your projects and partnerships forward with confidence.

Free 7-day trial. No card needed. Unlock insights instantly.

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

Trusted by professionals in 175 countries

Used daily by founders, investors, agencies and enterprise teams worldwide.

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

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.

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

Scott DaviesEngineering Sales, Briggs PLC

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

Sorin A.Digital Marketing Manager

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

Tom DenisonFounder of SmartHealth Biotech

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

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

Seth D.Health Coach

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

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

Oliver HeycoopFounder of Altatek Motorsport

FAQs

A Deal Room is a secure, branded online space for sharing decks, contracts, and documents with investors or clients. Unlike static PDFs, Sizle Deal Rooms include real-time analytics, lead capture, and eSignatures to help you close deals faster.

Every view is tracked in real time. Sizle shows who viewed your Deal Room, when they viewed it, how long they stayed on each page or slide, and what content they focused on.

Yes. You can connect your own domain and add custom logos, so every Deal Room matches your company’s brand perfectly.

Yes. You can set roles, permissions, and viewer controls. Lock or expire access, set expiry dates, or revoke links instantly for complete security.

Yes. Sizle includes built-in digital signatures with full audit trails, timestamped logs, and signer verification. All signatures are legally binding worldwide.

Yes. Sizle supports team workspaces for shared documents and analytics.

Your links and analytics remain safely stored. You can upgrade anytime to keep viewer insights, signatures and leads active without interruption.

600

k

Files tracked

30

k

professionals

175

+

countries

Sizle is the Document CRM powering millions of customer interactions worldwide.

You already sent the file. See what happens next.

Every unread document costs you time and opportunity.
Sizle shows what really happens after you hit send, instantly and securely.

Free 7-day trial. No card required.

Unlock insights instantly.

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