Visualize your source code with flow charts and UML Activity Diagrams. Visustin is flowcharting software that converts your source code to flow charts—automatically! Draw flow charts with your mouse. View and print charts or export to Visio.
Need flow charts for another language? MPASM, R, Progress anyone? Add new language
Visustin for software developers.
Visustin is an automated flow chart program for software developers and document writers.
Save documentation efforts with automatic code visualization. Visustin reverse engineers your source code to flow charts or UML Activity Diagrams.
Visustin reads the if and else statements, loops and jumps and builds a diagram—fully automated.
Visustin for document writers. Add flow charts to your project documentation. Clear diagrams instantly tell the reader what even the most complex code does. Save your efforts with automated documentation!
Why flow charts?
→ Fix bugs
Follow complex logic
→ Avoid bugs
→ Find errors
Restructure bad code
→ Add quality
→ Save effort
Read strange languages
→ Reuse code
Visustin for code review. Verify program logic with flow charts. Find bugs before the users do. Save costs by fixing bugs earlier than before.
Visustin for debuggers. Can't see the bug? View a flow graph to gain new insight and speed up debugging.
Visustin for software maintenance. Flowchart old functions to understand them before modifications. After writing changes, flowchart the new version to verify the algorithm. Improved quality guarantees happy users.
More uses for flow charts
Convert languages. Converting old code to a new language? Avoid conversion errors. Flowchart both versions to detect any differences.
Extract business rules from legacy code. Flowchart routines to document the rules embedded in them.
Read an unfamiliar language. Visualize program logic even if the code is in a language you don't know well.
Restructure old spaghetti code. Confirm the results with flow charts.
Understand the incomprehensible.
View convoluted code in a new light.
Gained insight helps you fix old bugs and avoid adding new ones.
Flowchart code automatically. Visustin converts source code to flow charts automatically. An automated layout ensures visually optimal results. Just hit a key and you're done. The charts visualize your code and optionally the comments as well.
Edit flow charts.
Visustin Editor lets you edit the automatically created charts. Insert comments, add shapes, highlight important points, adjust links, fine-tune the layout. [Pro Edition]
Draw flow charts manually. Visustin Editor lets you draw flow charts from scratch with the mouse. Document your business processes. Plan your systems before building them. [Pro Edition]
UML. Prefer UML style? No problem! Visustin supports both flow charts and UML Activity Diagrams.
Multi-page print. Print large flow charts as a multi-page mosaic. Squeeze to fit on one sheet.
PDF flow charts. Save high-quality PDF charts. They are great to zoom and pan.
Save charts. Use flow graphs in your project documentation. Save files in BMP, GIF, JPEG, PNG, TIFF, MHT, EMF or WMF format. Create web pages showing both the code and the flow chart.
Export to Visio. Save your drawing efforts. Convert your source code to Microsoft Visio diagrams. More about Visio export[Pro Edition]
Export to Word. Add flow charts to technical documents.
Bulk charting. Flowchart all your source files in one run. Create Visio diagrams unattended. Run flowchart jobs in a batch. Add automated flowcharting as a part of your application's build process. Keep your technical documents updated every night. [Pro Edition]
Download for free
Download and try Visustin now. Free flowcharting trial software that diagrams all your code. No size limitation.
Print, Save and Export are disabled in the free demo.
No problem! Use our free flowcharting service. We will save or export for you. Just send us some code. We can even send a PDF to print.
System requirements. Windows 2000/XP/2003/Vista/7/8/10.
Mac? Run Visustin on the Mac the same way you run other Windows programs.
+1 user: Additional users beyond 3, 5 or 10. Upgrade requires an existing Visustin license (same size or larger), any version, any edition. Special terms for educational licenses.
Try it for free.Download Visustin, a high-quality automated flowcharter.
It makes sense of source code however bad and complex. Visustin is risk-free and comes with a full 30-day money back guarantee.
They use Visustin
Corporations, banks, universities, government units and thousands of
individual developers in over 70 countries rely on Visustin to document their valuable
Air France Industries,
Amazonas State University,
American Home Assurance,
Charles Schwab & Co.,
Colorado Dept of Labor & Employment,
Countrywide Home Loans,
Deere & Co.,
Delaware Dept of Technology & Information,
Delft University of Technology,
Deutsche Sporthochschule Köln,
Federal Aviation Administration,
Federal Reserve Bank,
First National Bank,
First Tennessee Bank,
Idaho Department of Labor,
Japan Science and Technology Agency,
Kawasaki Heavy Industries,
Korea Advanced Institute of Science and Technology,
Korea Aerospace Research Institute,
Korea Atomic Energy Research Institute,
Korea Nuclear Fuel Co.,
Leibniz Universität Hannover,
Minnesota Dept of Transportation,
Myriad Genetics Laboratories,
National Life Group,
New York State Departments,
New South Wales Dept. of Primary Industries,
NSW Dept of Primary Industries,
Oregon Employment Department,
Pacific Gas and Electric Company,
Palo Alto Research Center,
Penn State University,
Politecnico di Torino,
Rohde & Schwarz,
Royal College of Surgeons of England,
San Francisco Chronicle,
State of Wisconsin,
STP Nuclear Operating Company,
Tarleton State University,
Technical University of Denmark,
Technische Hochschule Mittelhessen,
Technische Universität Dortmund,
Technische Universität Dresden,
Technische Universität München,
Texas A&M University,
The National Archives (Finland),
The Washington Post,
Tokyo Metropolitan University,
Total Gas and Power,
University of Alaska,
University of Baltimore,
University of Exeter,
University of Florida,
University of Glasgow,
University of Kentucky,
University of Malta,
University of Michigan,
University of Minnesota,
University of Nebraska,
University of Newcastle,
University of Southern California,
University of Tampere,
University of Texas at San Antonio,
University of Tokyo,
University of Vienna,
University of Washington,
U.S. Dept. of Transportation,
U.S. Dept. of Veterans Affairs,
U.S. House of Representatives,
U.S. Postal Service,
Utah State University,
VA Medical Center,
Victoria Department of Justice,
Walt Disney World Co.,
2 installations per license. A single user license covers one user and two computers. For 2 users one needs a 2-pack, for 3 users a 3-pack and so on. A site license allows 100 installations. Other license sizes are available on request. Reinstallation is allowed if previous installations are removed first. Online activation is required before running the full software. Offline activation is possible through another, online computer. Activation is covered for 3 years after purchase. License and activation details License terms
Upgrades. Minor updates are free within one major version number (8.xx → 8.yy). No free updates are guaranteed to come out. Major upgrades are discounted, see What's new in Visustin v8.
Another diagramming utility for VB Project Analyzer is a great companion for Visustin, if you're working with Visual Basic. Project Analyzer produces high-level VB graphs such as call trees and dependency diagrams. Visustin flowcharts the details. Navigate your code with Project Analyzer, flowchart it with Visustin.