Our data flow diagram maker is simple, yet powerful. Get started with a template, and then use our shapes to customize your processes, data stores, data flows and external entities.

There are four basic elements of a data flow diagram: processes, data stores, external entities, and data flows. The picture below shows the standard shapes for both methodologies.

A data flow diagram (DFD) illustrates the flow and transformation of data for a particular business process. It’s a visual representation of how data flows through a system, so you can clearly see …

Lucidchart has everything you need for your data flow diagram, including standard symbols for both Gane-Sarson and Yourdon-Coad methodologies. Our shape library for DFDs contains notations for …

A complete guide to process mapping with free templates. Learn use cases, symbols, best practices, & tips for how to make a process map.

Lucidchart has several data mapping diagram templates you can use to get started, like our Level 1 and Level 2 data flow templates or our data flow diagram (physical) example template.

So while any data flow diagram maps out the flow of information for a process or system, the logical diagram provides the “what” and the physical provides the “how.” They are two different perspectives …

For both the long-term and the short term, IT and security teams need to understand how data is stored and processed. Data flow diagrams or data mapping process flow diagrams can help teams quickly …

With just a few clicks, access all the shapes you need to create a polished and professional business process map, including tasks, transactions, conversions, call activities, data storage, and more.

Choose the symbols you need from our library—processes, data stores, data flow, and external entities—and drag-and-drop them into place. Since Lucidchart is an online tool, it facilitates …