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Fall G2 Awards SmartDraw is recognized as a leader with best in class support and estimated ROI.

G2 Summer Awards SmartDraw is a leader in both visual collaboration and diagramming for businesses of all sizes.

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License Everyone For as Low as $5 per User per Month

Save money, and replace Visio, Lucidchart, Lucidspark, and Miro with a SmartDraw site license.

Learn

Developer Resources

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Explore SmartDraw Check out useful features that will make your life easier.

Blog Read articles about best practices, find tips on collaborating, learn to give better presentations and more.

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Solutions For Your Team

Product Management Help your team ship features users love.

Software Engineering Design and maintain complex systems collaboratively.

Online Block Diagram Maker

Create a block diagram or circuit diagram easily

Make Your Block Diagram

The Easy Choice for Creating Your Block Diagram Online

Easy to Use

SmartDraw helps you align and arrange everything perfectly. You can add and delete shapes in your block diagram and your drawing expands and contracts without any manual re-drawing required. Connecting lines will stay attached even when you move components around.

Easy to Work With Other Apps

SmartDraw is easy to work with no matter what other apps you use. You can add block diagrams to:

Microsoft Office^®
- Word^®
- PowerPoint^®
- Excel^®
Microsoft Teams^®
Google Workspace^™
- Google Docs
- Google Sheets
Atlassian^™ apps
- Confluence
- Jira

Easy to Save to Your Existing Storage Solution

SmartDraw works hand in glove with most file storage systems. You can save your block diagrams directly to:

SharePoint^®
OneDrive^®
Google Drive^™
DropBox^®
Box^®

There is no need to create a parallel set of common folders and permissions, SmartDraw can just save files directly into your existing set up.

Easy to Share

Share your block diagram with anyone, even if they don't own a copy of SmartDraw, with a link. You can also easily export any diagram as a PDF or common image formats like PNG or SVG.

Easy to Get Help

Have a question? Chat or email us. SmartDraw support is in-house and free!

Easy Collaboration

SmartDraw makes it easy to work with a team on any engineering project.

You can save your block diagram to a shared folder and work on it as a team. Anyone can easily add comments and feedback.

SmartDraw also works where you already communicate with your team. You can collaborate on block diagrams in Microsoft Teams^®, Slack or Confluence.

What is a Block Diagram and How to Make One

A block diagram is a specialized flowchart used in engineering to visualize a system at a high level. SmartDraw helps you make block diagrams easily with built-in automation and block diagram templates. As you add shapes, they will connect and remain connected even if you need to move or delete items.

Create your block diagram to identify the most important components of your system so you can focus on rapidly pointing out potential trouble spots.

A block diagram is especially useful for visualizing the inputs and outputs of your system, while what happens inbetween can remain in a black box.

Block Diagram Examples and Templates

SmartDraw comes with a number of built-in block diagram templates as well as other circuit and wiring diagram examples to help you get started.

Computer Block Diagram

Mechanical Block Diagram

Block Diagram - Scoreboard

SmartDraw is Used by Over 85% of the Fortune 500

Try SmartDraw's Block Diagram Maker Free

Discover why SmartDraw is the ideal block diagram maker.

Make Your Block Diagram

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Product

DiagrammingBuild diagrams of all kinds from flowcharts to floor plans with intuitive tools and templates.

WhiteboardingCollaborate with your team on a seamless workspace no matter where they are.

DataGenerate diagrams from data and add data to shapes to enhance your existing visuals.

Enterprise FriendlyEasy to administer and license your entire organization.

SecuritySee how we keep your data safe.

Apps & IntegrationsConnect to all the tools you use from Microsoft, Google Workspace, Atlassian, and more.

What's New?

Solutions By Team

Product ManagementRoadmap features, brainstorm, and report on development, so your team can ship features that users love.

Software EngineeringDesign and maintain complex systems collaboratively.

Information TechnologyVisualize system architecture, document processes, and communicate internal policies.

SalesClose bigger deals with reproducible processes that lead to successful onboarding and training.

License Everyone For as Low as $5 per User per Month

Learn

Getting StartedLearn to make visuals, familiarize yourself with the UI, choosing templates, managing documents, and more.

TemplatesGet inspired by browsing examples and templates available in SmartDraw.

DiagramsLearn about all the types of diagrams you can create with SmartDraw.

WhiteboardLearn how to combine free-form brainstorming with diagram blueprints all while collaborating with your team.

Data VisualizersLearn how to generate visuals like org charts and class diagrams from data.

SupportSearch through SmartDraw's knowledge base, view frequently asked questions, or contact our support team.

Developer Resources

Development PlatformBrowse built-in data visualizers and see how you can build your own custom visualization.

Open APIThe SmartDraw API allows you to skip the drawing process and generate diagrams from data automatically.

Shape DataAdd data to shapes, import data, export manifests, and create data rules to change dashboards that update.

Additional Resources

Enterprise

Site LicenseAs low as $5 per user per month for your entire organization.

Team LicenseGet powerful administrative features for your team.

SecuritySee how we keep your data safe.

Apps & IntegrationsConnect to all the tools you use.

Solutions For Your Team

Online Block Diagram Maker

Create a block diagram or circuit diagram easily

The Easy Choice for Creating Your Block Diagram Online

Easy to Use

Easy to Work With Other Apps

Easy to Save to Your Existing Storage Solution

Easy to Share

Easy to Get Help

Easy Collaboration

What is a Block Diagram and How to Make One

Block Diagram Examples and Templates

SmartDraw is Used by Over 85% of the Fortune 500

Try SmartDraw's Block Diagram Maker Free

Diagramming
Build diagrams of all kinds from flowcharts to floor plans with intuitive tools and templates.

Whiteboarding
Collaborate with your team on a seamless workspace no matter where they are.

Data
Generate diagrams from data and add data to shapes to enhance your existing visuals.

Enterprise Friendly
Easy to administer and license your entire organization.

Security
See how we keep your data safe.

Apps & Integrations
Connect to all the tools you use from Microsoft, Google Workspace, Atlassian, and more.

Product Management
Roadmap features, brainstorm, and report on development, so your team can ship features that users love.

Software Engineering
Design and maintain complex systems collaboratively.

Information Technology
Visualize system architecture, document processes, and communicate internal policies.

Sales
Close bigger deals with reproducible processes that lead to successful onboarding and training.

Getting Started
Learn to make visuals, familiarize yourself with the UI, choosing templates, managing documents, and more.

Templates
Get inspired by browsing examples and templates available in SmartDraw.

Diagrams
Learn about all the types of diagrams you can create with SmartDraw.

Whiteboard
Learn how to combine free-form brainstorming with diagram blueprints all while collaborating with your team.

Data Visualizers
Learn how to generate visuals like org charts and class diagrams from data.

Support
Search through SmartDraw's knowledge base, view frequently asked questions, or contact our support team.

Development Platform
Browse built-in data visualizers and see how you can build your own custom visualization.

Open API
The SmartDraw API allows you to skip the drawing process and generate diagrams from data automatically.

Shape Data
Add data to shapes, import data, export manifests, and create data rules to change dashboards that update.

Site License
As low as $5 per user per month for your entire organization.

Team License
Get powerful administrative features for your team.

Security
See how we keep your data safe.

Apps & Integrations
Connect to all the tools you use.