Code to Flowchart

Code to Flowchart is an AI-powered online tool that automatically turns source code into clear flowcharts and diagrams. It helps you understand complex logic and the structure of functions, classes, and modules without manual analysis.

Generate flowcharts from code

Paste a code snippet or upload a file. The tool supports major programming languages, analyzes program structure, and builds interactive flowcharts so you can follow execution paths and branching.

Diagram types and common use cases

In addition to standard flowcharts, Code to Flowchart can generate other diagram formats and help explain technical concepts.

• Flowcharts for execution logic and branching
• Sequence diagrams
• Class diagrams
• Visualizations for user scenarios
• Support for documentation, onboarding, code reviews, and presentations

Who it’s for

Code to Flowchart is useful for developers, architects, team leads, instructors, and students who need to quickly understand or explain how code works.

• Reduce the learning curve in unfamiliar codebases
• Speed up refactoring by clarifying structure
• Make complex logic easier to communicate