Code to Flowchart 
Code to Flowchart uses AI to transform pasted code into interactive flow, sequence and class diagrams and supports image, vector and share-link exports. Developers should remove secrets, verify nodes and control flow against the source, account for dynamic behavior and error paths, avoid treating diagrams as complete specifications and retain human architecture and documentation judgment.
Starting price Free + paid plans
Tool Information
Code to Flowchart uses AI to transform pasted code into interactive flow, sequence and class diagrams and supports image, vector and share-link exports. Developers should remove secrets, verify nodes and control flow against the source, account for dynamic behavior and error paths, avoid treating diagrams as complete specifications and retain human architecture and documentation judgment.
Use authorized, minimal inputs and grant integrations the least access required. Configure privacy, retention, sharing, quality, accessibility, disclosure, export, governance, moderation and spending controls. Test representative cases, verify generated facts, calculations, citations, customer messages, code, trades and financial details, preserve originals and version history, and retain accountable human approval before publication, outreach, deployment or operational action.
Free diagram generation is available with paid upgrade options. Conversions, saved diagrams, exports, history, sharing, subscription period, renewal and taxes vary.
AI output can be inaccurate, biased, derivative, insecure, incomplete or misleading. Review consent, copyright, financial risk, training and retention terms, renewals, refunds, platform rules and applicable law. Medical, education, finance, investment, compliance, marketing, travel and customer-facing workflows require qualified human review.
F.A.Q (3)
Pros and Cons
Pros
- Converts pasted source code into an interactive flowchart
- Accepts snippets from major programming languages
- Generates an AI explanation beside the diagram
- Creates flow diagrams from source logic
- Can produce sequence diagrams
- Can generate class diagrams
- Supports user-journey diagram output
- Lets users edit and customize generated charts
- Exports diagrams as PNG files
- Exports scalable SVG diagrams
- Offers PDF export for documentation
- Shares generated diagrams through links
- Helps students learn programming concepts visually
- Helps teams communicate code during reviews
- Provides three free flowchart generations per day
- Offers both monthly and one-time paid access
Cons
- Free use is limited to three generations per day
- Paid plans cap each input at 8;000 tokens
- AI can omit branches; exception paths; callbacks; or asynchronous behavior
- Generated explanations can misunderstand the submitted program
- Diagrams become difficult to read for large or highly connected code
- A snippet cannot represent runtime configuration or external services
- Reflection; macros; generated code; and dynamic dispatch are hard to model
- Every diagram must be verified against the underlying source
- Submitting proprietary code to a hosted processor creates confidentiality exposure
- The no-storage statement does not detail every transient processor and log
- Generated layouts can still require manual cleanup
- Lifetime access depends on the service remaining operational
- Exported diagrams become stale after source-code changes
- The tool does not perform static analysis or execute tests
- Shared links can reveal implementation details
- An AI-generated diagram cannot replace maintained architecture documentation
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Before you subscribe
- Check the currency, billing period, automatic renewal, usage limits and seats at checkout — prices and promotions change.
- App-store pricing can differ from website pricing by country, device and tax.
- Share only authorised data, and read the provider's encryption, retention and model-training terms first.
- AI output can be incomplete or wrong. Verify facts, citations, calculations and code before you publish or ship.
- Commercial usage rights vary by plan, provider terms and jurisdiction.
- None of these tools replaces a qualified professional for medical, legal or financial decisions.
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