Secure sharing made simple

Sizle helps you share mission-critical documents more safely and effectively.

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How it works


Add documents quickly and accurately in one click, even large, complex files at over 1GB+ or 10,000+ pages.

Quick edit

Easily annotate, convert, merge and customize documents with powerful markup and editing tools.


Choose a sharing method, set viewer identification rules and stay on the pulse with real-time viewer analytics.

Your document co-pilot

Sizle helps you connect the dots in your document workflow


Protect your documents with passwords and access control

File expiry

Set the date and time that a document or file will expire

Burn timer

Set how long the document or file is available after it has been viewed


See how much time viewers spend on each page of your document


Get notified when your documents are opened and shared


Customize files with the fastest document markup tools

Quick upload

Add documents from Dropbox, Google Drive and more

Sales insights

Sizle's document viewer insights help you follow up with confidence

File conversion

Fast PDF conversion from Word, PPT, JPEG, XLS and more

Testimonials and reviews

People in 130+ countries use Sizle to get more done

“The best part about using Sizle is the analytics. It gives me great joy to find out who viewed it, which slides they focused on, and for how long.”

CK. PatelSoftware Architect at McKinsey & Company

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

Tom DenisonFounder of SmartHealth Biotech

“The insights and analytics are detailed and useful. No longer to I have to wonder if a client has opened an email.”

Brandon J.Recruitment Consultant at Wyn&Co

“Allows secure sharing and collaboration with multiple people working on multiple documents. This is very good and easy to use software.”

Chetan Y.Engineering Lead at Persistent Systems

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

Scott DaviesEngineering Sales, Briggs PLC

“Sizle is incredibly easy to use. Simply upload your document and choose your sending options and you get detailed analytics on who viewed it.”

Zunaid K.Consultant at Profit Flow

“Must have for agencies. Super easy to use, love the design! Have been a user since the beta and it keeps getting better.”

Gabi SantosDirector at Lunar Design Studios

“Seeing how much time prospects spend on each slide of a presentation a helps us optimize all of our sales and marketing collateral.”

Oliver HeycoopFounder of Altatek Motorsport

“I find the concept of using a presentation together with a lead capture workflow genius, I use Sizle when I need to send a document to a new prospect.”

Tayshiro K.Community Manager

“Sizle 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

“Very easy to get started. The tech works really well and you can easily test it by emailing yourself and seeing the notifications in real time.”

Matthew J.Business Development Manager

“From the ability to quickly create a document to the selection of secure ways to share it and even view analytics, Sizle has improved my document-sharing process.”

Seth D.Health Coach

Simple sharing.
Powerful insights.