Flowchart Simulator

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Last edit: 04 October 2026

This algorithm flowchart designer and simulator allows students and teachers to create flowcharts online and then simulate them running:

uses standard computer science blocks and shapes within a drag and drop editor
supports subprograms (defined by sub-flowcharts)
supports local save and load of flowcharts
built-in live error checking and diagnostic feedback
supports export of flowchart as image for use in worksheets/assessments

https://learning.classinteractives.co.uk/flowchart_designer.html

(part of my wider suite of free CS tools: https://learning.classinteractives.co.uk/)

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