Python Tutor

Runs code step by step and draws the variables and memory at each line, for several languages.

Artifact by Philip Guo

IndexedLicense unknownEducationNo sign-up

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Opens pythontutor.com in a new tab. Nothing to install.

Open Python Tutor

You provide: Short program in Python, JavaScript, C, C++ or Java
You get: Step-by-step execution diagrams
Account: No sign-up needed
AI: No AI: a plain tool
Your input: Not stated: check the tool's privacy notes before using private data
Price: Free to use
Made with: Hosted web tool
Source: Source code not public
Link check: Answered on Oct 31, 2026

About

Python Tutor is a hosted web tool in the education category (code visualizer). It opens in your browser, so there is nothing to install. You provide short program in Python, JavaScript, C, C++ or Java and get step-by-step execution diagrams. It needs no account. It is a plain tool: no AI model is involved.

Category: Education · code visualizer

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Details

Auth: No auth
License: License unknown
Website: pythontutor.com/visualize.html
First seen: Oct 31, 2026
Last checked: Oct 31, 2026
Source: artifact-seed

Cite this page

Python Tutor: free online tool. Agent Mart. https://agentmart.dev/artifacts/python-tutor (last updated 2026-10-31)