🎓 For students and professionals

FlowLabs

Design, run, and debug algorithms professionally.

The most intuitive platform to learn flowcharts

Documentation & Structures

Master data flow from simple to complex.

Start/End

Entry and exit point of the algorithm. Represents program start and end.

💡 Use: Used at the beginning and end of any algorithm.

Input/Output

Read (input) and write (output) data operations.

💡 Use: To request data from user or display results.

Processes

Assignments, calculations, and arithmetic operations.

💡 Use: To perform mathematical or logical operations.

Decisions

Conditional structures if/else for decision making.

💡 Use: When you need to evaluate a true or false condition.

Loops

Repetitive structures: while, for, do-while.

💡 Use: To repeat actions while a condition is met.

✨ Main Features

Visual drag & drop editor

Step-by-step execution

Export to PNG/SVG

Automatic pseudocode

Share online

100% Free

Practical Examples

Learn with practical examples ready to run

Calculate Average

Diagram that calculates the average of 3 grades

View diagram

Legal Age

Determines if a person is of legal age

View diagram

Multiplication Table

Generates multiplication table of a number

View diagram

Factorial

Calculates factorial of a number using loop

View diagram

How it works?

1

Design your diagram by dragging symbols

2

Connect shapes with arrows

3

Execute and observe data flow

4

Debug and fix errors visually

What our users say

"I finally understood flowcharts. Step-by-step execution is amazing."

— Maria G., Programming Student

"My students went from hating algorithms to loving them. FlowLabs changed my class."

— Prof. Javier Ruiz, Computer Science

"The best tool to visualize loops and conditionals. I use it in university."

— Carlos T., Systems Engineer

"Intuitive, fast, and professional. Perfect for documenting processes."

— Ana L., Senior Developer