Free online data flow diagram maker

Create data flow diagrams with external entities, processes, data stores, and data flows, then expand a context diagram into Level 1 or Level 2 detail in EdrawMax.

Simple flowchart maker with free templates

Free data flow diagram templates from EdrawMax

Shopping Data Flow
Management Data Flow
Model Data Flow
Api Data Flow
Data Flow Diagram
Lakehouse Data Flow
Explore More Templates

Why Use EdrawMax Data Flow Diagram Maker?

20,000 templates & 26,000 symbols for all needs.

Explore nearly 20,000 templates and 26,000 symbols for over 210 types of diagrams including numerous data flow diagrams. Whether you are looking for one of online shopping, hotel management, hospital management, or others, EdrawMax has you covered.

templates
Customize at ease.

Drag and drop symbols from the libraries that appear automatically after you choose a template. Try One-click Beautify function to increase efficiency. Create your personal templates and save self-made elements in your own libraries for future use. Group objects.

customization
Integrated with MS Office.

Circle areas of the diagram to directly generate a slideshow. Preview and export it in the ppt format. Also, you can choose to export your diagrams in the format of word or excel and edit them there.

ms office
Perfect alternative to Visio.

Try EdrawMax, which is available on macOS and has a free version, as a replacement of Visio. Import a VSDX file or export a diagram to cooperate with other team members using Visio.

visio
Export your files in various formats.

Export your diagrams in JPG or PNG format for viewing, PDF format sharing, or SVG format for further editing. EdrawMax offers over 10 export options to suit your needs.

formats

What our users say

Jordan Blake, Full-Stack Developer
The alignment and connector tools make it much faster to document a data architecture without spending time fixing wonky lines and arrows.
Wesley Hunter, Operations Strategy Consultant
The templates help turn as-is and to-be process flows into cleaner client-ready diagrams with less setup work.
Damian Cross, Systems Analyst
For complex systems, the larger canvas and structured connectors help keep data paths readable while mapping bottlenecks and dependencies.

More Data Flow Diagram Tools

Explore related diagram makers for adjacent planning, analysis, or documentation tasks.

FAQs about Data Flow Diagram

  • A DFD shows how information moves through a system among external entities, processes, data stores, and data flows.
  • The four core elements are external entities, processes, data stores, and data flows.
  • A Level 0 or context view shows the system at a high level, while Level 1 decomposes major processes into more detailed sub-processes and data paths.
  • A DFD emphasizes movement and transformation of data; a flowchart emphasizes the sequence of actions, decisions, or control logic.