Code to Flowchart

About Code to Flowchart

Code to Flowchart takes a snippet in any language and produces an interactive diagram of what it does. Paste the code, the AI parses its structure and control flow, and you get a flow diagram you can pan and zoom, alongside a written explanation of the logic. Four output modes cover the different questions you might be asking: a flow diagram for control flow, a sequence diagram for interaction over time, a class diagram for structure, and a user-journey view, plus an explain-tech-concepts mode for when the confusion is conceptual rather than structural. Export is to PNG or SVG, or a shareable link, which makes it practical for code review comments, onboarding docs and architecture discussions rather than only for private comprehension. Language support is broad by design — the site names Python, JavaScript, Java and C++ among others — because the parsing is model-driven rather than built on per-language ASTs. The tool has generated over 500,000 flowcharts. There is a feedback mechanism on every diagram with specific failure categories — missing steps, not accurate, poor explanation — which is a candid acknowledgement that model-parsed diagrams sometimes get logic wrong and should be checked. Free use is capped with daily and monthly limits and shows ads; the paid options are a $9.99 monthly subscription for unlimited flowcharts with no ads, or a $66.99 one-time lifetime purchase.

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