Flowcharting service – Free for 3 files

Sample flow chart

Visustin is an automated flow chart generator for software developers. To evaluate how Visustin works with your source code, we can make you 1–3 flow charts for free. (Students see below)


  • Email max 3 source code files to (closed, see above)
  • Subject: Free flowcharting service
  • Programming language: xxx
  • Desired output format: PDF for monitor, PDF for printing, Visio... (more below)
  • Attach 1-3 source code files to the email: .c, .bas, .java, whatever you have.
  • Do not copy & paste your code to the email.
  • Do not send Word documents or binaries. Original plain text source files only.
  • Do not use multiple email addresses to send multiple requests.

Note: It may take 2–3 weeks to receive the free flow charts. Thank you for your patience.

This is a free manual service, intended as a demo for 1, 2 or 3 files to help your purchase decision. For more than 3 files, please consider the purchase of Visustin or our Flowcharting service.

Output format. PDF for monitor is the best choice. Choose Visio format if you intend to edit the charts with Visio; PDF works better for other uses. MS Word charts are not useful for a demo, because MS Word page size is too small for many flow charts. PDF scales better.

No student projects please

Unfortunately we cannot flowchart student projects. Sorry. This free flowcharting service is for helping your purchase decision. We cannot generate free flow charts just to impress your professor. We are getting too many requests for that, as it's a free service. Therefore we ignore student exercise programs. But don't worry. You can download the free Visustin demo and create a flow chart by yourself! It takes a few minutes only. As a student, you are also eligible for Visustin educational discount.

Flow charts not received?

If you did any of the "Do not" things above, we simply ignored your request. Sorry. This is a free service; the only requirement is that you follow the instructions. Just follow the easy instructions and you will get free flow charts in return.

See also

Visustin – Flow chart generator program.
Flowcharting service – Let us document your code!