Real-Time Conversion

Type pseudocode and watch your flowchart update instantly as you write. No compilation needed.

Built-in Interpreter

Run your pseudocode directly in the app and see the console output.

Real-Time Error Detection

Syntax and semantic errors are highlighted as you type, with clear badges and line numbers.

Bilingual Support

Pseudocode keywords and UI in English and Spanish. Switch them independently.

Cross-Platform

Desktop apps for Linux, macOS, and Windows, plus a fully functional web version.

ANSI-Standard Flowcharts

Professional flowcharts with proper terminators, decision diamonds, and process rectangles.

A modern upgrade for the classroom

Classic tools like PSeInt and Raptor paved the way for millions of developers. PseudoFlow was built to carry that torch into the modern era. By bringing real-time visual feedback, zero-setup browser access, and a modern UI to the classroom, it removes the friction of outdated software — so you can focus entirely on teaching logic.

FeaturePseudoFlowPSeIntRaptor
Diagram Generation Real-time visual feedbackSeparate rendering windowManual / graphic-to-text
Real-Time Error Detection Syntax & semantic, inlineSyntax onlyNot available
Built-in Interpreter Yes, runs pseudocode end-to-endYes, step-by-stepYes, visual execution
Environment / UI Modern with Dark/Light themesClassic / LegacyClassic / Legacy
Multi-Language Keywords + UI independentlySpanish onlyEnglish only
Web Availability Native in-browser experienceDesktop onlyDesktop only
Responsive Design Adapts to any screen sizeFixed desktop layoutFixed desktop layout
Export Quality High-resolution PNG exportBasicBasic
Setup & Installation Zero friction — web & portableRequires installationRequires installation
Open Source (FOSS) Yes — BSD-3Yes — GPLv2Public domain

✨ Shaped by direct feedback from CS professors and first-year students.

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