In this article, I will cover 4 free websites to make control flow diagram online.
A Control Flow Diagram (CFD) is used to describe the control flow of a process. Control Flow Diagrams are used in Businesses to describe the control flow of various types of business processes, in Computer Programming to describe the control flow within a program, and have many other applications.
The websites covered in this article are online diagramming tools where you can easily make various types of diagrams. They pack all the necessary tools needed to make control flow diagrams. After making the diagram, you can export in various formats. Some of these websites also generate an HTML code which you can use to embed the diagram on webpages.
Also Read: 5 Free Websites To Draw Use Case Diagram Online
Here Are 4 Free Websites To Make Control Flow Diagram Online:
Draw.io
Draw.io is a free online diagramming tool where you can easily make control flow diagrams. It has a simple UI with a canvas in the middle and a toolbar on the left. The toolbar has a library of shapes for various types of diagrams. It also has a “Scratchpad” where you can add items for quick use, export them and also import images from your computer to use them in the diagrams.
You can simply select a shape from the toolbar and add it to the canvas here. When you add a shape, this editor shows you various customization options on the right side of the screen. From there, you can style the shape with color, change dimensions, width, opacity, add shadow, text, text style and much more. After creating a diagram, you can export it as PNG, PDF, or SVG file. You can also generate an HTML embed code which will make your diagram public.
Make Control Flow Diagram online with Draw.io here.
Creately
Creately is another online diagramming tool that requires Flash Player to run so, make sure Flash is active in your web browser. This tool also has a simple to navigate user interface with a canvas in the center. It has two toolbars, one of the left side and one on the top. The left side toolbar contains various types of shapes sorted by their use-case. Whereas, the top toolbar has editing tools.
Here, you can create a Control Flow Diagram from scratch or use the similar templates to start with. You can use the general shapes and flow arrow in your diagram. Creately has a “Data Flow Diagram” shape collection which you can use to create more professional-looking diagrams. On top of that, you can also style your shapes with various customization options. After creating the diagram, you can export it as an image, PDF, or SVG file. You can also publish it on Creately publicly and copy the HTML embed code to embed it on webpages.
Try this online diagram editor here.
RealTimeBoard
RealTimeBoard is a simple yet power online whiteboard that packs some really useful features. It supports online collaboration where you can invite other people to collaborate with you on the same design. It has Slack integration which provides a communication medium between you and collaborators. Moreover, it has web-apps integration (like Google Search, IcoFinder, etc.) which you can use within in the board.
Apart from these features, RealTimeBoard has all the necessary tools you need to make Control Flow Diagrams. It has a decent shape collection from where you can drag & drop shapes to the board. You can annotate them with text and fill with color. You can also import files & diagrams to add them to your board. After finalizing your diagram here, you can export it as PDF, SVG, or CSV file. As a free user, you can create 3 board and add up to 3 collaborators.
Make Control Flow Diagram online with RealTimeBoard here.
LucidChart
LucidChart is a powerful online diagramming tool where you can create almost all sorts of diagrams. It’s a freemium service that allows you to create and store up to 3 documents at a time. Other premium features are slide mode, database integration, edit history, comments, etc. As a free user, you can create Control Flow Diagrams here and export them as an image, SVG, or PDF file.
The process of making the Control Flow Diagram here is simple and straightforward. Simply choose an image from the shape toolbar and click on the canvas to use it. On the canvas, you can customize the shape accordingly and add text to it. With the “Scratchpad” in the toolbar, you can create custom shapes and add them to your diagram. This way, you can easily create diagrams here and export them as an SVG, image, or PDF file. You can also generate HTML embed code if you want to embed your diagram on webpages.
Check it out here.
Final Verdict
These are the 4 free websites where you can make control flow diagram online. All these websites are easy to use and have a decent library of shapes for diagrams. Check them out yourself and let us know which one you prefer and why.