Online diagram maker to create stunning diagrams

Make professional diagrams for free with no design experience. Use Piktochart’s free online diagram maker and diagram templates to build a custom diagram in minutes, right in your browser.

online diagram maker tool

Piktochart’s diagram maker is chosen by professionals and educators worldwide.

diagram tab with ready made diagram templates

Easy-to-use diagram maker

Create Diagrams Online

Diagrams are a powerful tool for visual communication and can be used in a wide range of contexts to enhance understanding, clarify information, and convey complex ideas.

With Piktochart, you can easily make a custom diagram, chart, graph, and more.

What else? With our online diagram maker, collaboration and real-time customer support are included for all account types; both the free and paid professional plans.

Try for yourself how easy it is
free customizable diagram templates for your visualization needs

Free pre-made diagram templates

Choose From a Vast Library of Professionally Designed Diagram Templates

Our Piktochart design team ensures that the diagram templates you find on our online diagram maker are based on proper research and accurate data and follow the latest communication design trends.

From network diagrams, UML diagrams and ER diagrams to Venn diagrams, Piktochart offers professional diagram templates that help you save time and allow you to become a pro diagram creator with our varied diagram types.

Sign up for a free account
Format benefit BG 4example of what you can do with diagram projects to collaborate on your visual

Turn Complex Information Into an Easily Digestible Diagram Design

Turn intricate data into clear data visualization with your own diagram. Choose between charts, graphs, and interactive maps to present your data clearly and understandably. Showcase a timeline, list, process, or data comparison.

The free diagram maker from Piktochart grants you access to all types of charts: pie charts, bar charts, pictographs, and more to create visuals for all your needs.

Visualize your data with Piktochart
personalize by modifying the colors and fonts on your diagram according to your company branding

Branded diagramming with your own content

Customize Diagrams for Your Brand in Seconds

With Piktochart’s brand assets feature, your content is always on-brand. Using our free diagram maker, find new solutions to classic customization problems with our unique features.

Upgrade your free plan, and in three clicks you can make beautiful visuals with your own images, graphs, elements, shapes, marketing materials, ideas, and more.

Create now with Piktochart

“I was looking at different companies, like Canva and Venngage and whatnot, and what really interested me about Piktochart was that they had just as many features, but I felt the price was just right in a sense; we were able to get more for our money, for less than the competitors.”

Theodore Paat

Theodore Paat

Instructional Designer at Affirm

How to Create a Diagram

1. Log into your Piktochart account

Log into Piktochart (or sign up for the Free plan if you don’t have one already) and go to the dashboard. Once you’re there, go to the sidebar to the left and click diagrams.

2. Pick a diagram template

Our high-quality diagramming templates save you time and make your visuals and presentations look as professional as possible. There is a variety of types of diagrams to choose from. You also have the option to start from a blank canvas if you prefer it.

3. Customize the diagram

Once you pick a diagram template, modify the colors, adapt the fonts, insert your own text, and even add your company colors to make your visual content fit your organization or brand. Ask for feedback and connect with different teams or other collaborators effortlessly.

4. Add images, icons, and other assets to the diagram creator

Make engaging visuals by adding images, icons, illustrations, and gifs with the drag-and-drop editor. When working on reports, you can add a map and link your Excel file or Google Sheet from Google Docs.

5. Download and share

Once you’re done visualizing data and customizing your visual, download it as a JPG, PNG (with the free account), or PDF (with the paid plans). You can also iterate and collaborate on the asset with your organization or team directly in Piktochart.

Edit One of Our Examples to Create a Diagram

diagram solutions and examples for email marketing with piktochart Email Marketing Plan Flowchart Diagram
swot analysis diagram template on the piktochart free online diagram maker SWOT Matrix Diagram
online diagram maker for digital marketing workflow Digital Marketing Flowchart Diagram
seven steps of the sales process diagram template with piktochart's free online diagram templates Sale Process Flowchart Diagram
content strategy venn diagram Content Strategy Venn Diagram
venn diagram online, diagram maker with piktochart Three Circle Venn Diagram
email drip campaign flowchart diagram example for teams and organizations Drip Campaign Flowchart Diagram
diagram maker for marketing processes Marketing Process Flowchart Diagram
diagram solutions and examples for marketing strategy planning for team with piktochart Marketing Strategy Diagram

Free diagram templates are available for all categories

Understanding the Different Types of Diagrams

Here are some of the primary types:


Flowchart diagrams use various symbols and arrows to show the steps in a process or system.

Quadrant Diagrams

Quadrant graphs are commonly used in business and finance to analyze data and make strategic decisions.

Venn Diagrams

Venn diagrams use overlapping circles or other shapes to show the relationships between data sets.

Bar Charts

These graphs use horizontal or vertical bars to show data visually.

Pie Charts

These diagrams use a circular shape and different-sized slices to represent the proportions or percentages of a whole.

Network Diagrams

These visuals show the relationships between different elements in a network or system.

Scatter Plots

These plots use points on a graph to show the relationship between two variables.

UML Diagrams

These visuals are used in software engineering to show the structure and behavior of software systems.

Ready to create beautiful diagrams?

Join more than 11 million people who already design information with Piktochart’s free online diagram maker.

Diagram FAQs

A diagram is a simplified and structured visual representation used to illustrate complex information, ideas, or processes in a manner that is easy to understand and interpret. Diagrams are utilized in various fields such as education, engineering, business, and science to clarify relationships, enhance comprehension of concepts, and aid in problem-solving. They come in different forms, including flowcharts, graphs, organizational charts, network diagrams, and schematic drawings, each tailored to convey specific types of information effectively. The use of symbols, lines, shapes, and text in diagrams helps to break down and organize information, making it more accessible.

You can make a diagram online or on your desktop, depending on your chosen tool. With desktop-based design software like Adobe Illustrator, you must install it and pay for the license.
You only need to sign up for an account online with a cloud-based free diagram maker like Piktochart, Canva, or Venngage.

Here are some best practices for creating them:
  • Determine the purpose. Using a mind map can help.
  • Keep it simple.
  • Use consistent formatting.
  • Label elements clearly.
  • Use appropriate scaling.
  • Review and revise.
Following these best practices, you can create and export diagrams effectively communicating complex information.

No, you don’t need to download Piktochart. The platform is cloud-based and hence lives online. Just sign up for a free account, and you can create visuals and content immediately.

Yes, you can create different diagram types online even if you have not gained any design experience. Many online tools, including Piktochart, offer templates, examples, concepts, shapes, and icons that make it easy to create professional-looking diagrams.
Additionally, many online diagramming tools offer training materials, tutorials, and resources.