Online Python

What Online Python is
Online Python is a free browser-based IDE for writing, running, testing, and learning Python. It supports Python 3.12, so you can execute scripts without setting up a local Python environment. The ACE editor includes dark and light themes, more theme choices, undo and redo, and an expandable output terminal. An integrated debugger and test runner are available, along with basic code intelligence. Its Visualize feature records a program run and lets you step through it. The site says it supports modules such as Pandas and NumPy. You can open a local script, download code and output, or save a project as a ZIP file. Online code can be saved and shared through a link with a selected expiry period. The site says execution code sent to its server is cleared after completion, while shared code remains until its expiry; anyone with the link can view it, so avoid sharing sensitive data. The website also offers 31 free interactive lessons with examples that run in the browser. It is available on the web, with optional Google OAuth sign-in.
Who it suits
It suits people learning Python, especially those in the early stages, and anyone who wants to run scripts in a browser without configuring a local environment.
What it does well
- Runs Python 3.12 in a browser.
- Includes an integrated debugger and test runner.
- Offers 31 free interactive lessons.
- Supports Pandas and NumPy.
- Saves and shares code with an expiry period.
What to know first
- Shared code is viewable by anyone with its link.
- The service is listed for web only.
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Online Python IDE | Free to use · Python 3.12 · web-based IDE | Free |
As online-python.com lists them, read 7 Oct 2026. The maker's own page has the final word.
Getting started
- Visit https://www.online-python.com/.
- Start writing Python in the browser, or open a local script.
- Run the code in the browser using the IDE.
- Use the interactive lessons to work through runnable examples.
- Optionally sign in with Google to authenticate.
- Save code online and choose a link expiry period if you want to share it.
Verdict
Online Python brings browser-based coding, debugging, testing, and beginner lessons together in a free IDE. Check the sharing settings before including anything sensitive in code shared by link.
Questions
Is Online Python free?
Yes. The Online Python IDE is free to use.
Which Python version does it support?
The IDE supports Python 3.12.
Which platforms are supported?
Online Python is web-based.
Can I save and share code?
Yes. You can save code online and share it through a link with a selected expiry period. Anyone with the link can view the shared code.
Does it offer lessons?
The site offers 31 free interactive Python lessons with examples that run in the browser.
Does using the IDE require a Google sign-in?
Google OAuth sign-in is optional.
Facts from Online Python's own pages
- Code editor
- The IDE is powered by the ACE code editor. · online-python.com, 7 Oct 2026
- Editor features
- The editor offers dark and light themes, additional editor themes, undo and redo, and an expandable output terminal. · online-python.com, 7 Oct 2026
- Execution data
- The IDE says code sent to its server for execution is cleared after completion, while shared code remains until its selected expiry period. · online-python.com, 7 Oct 2026
- Integration
- The privacy policy says the service offers optional Google OAuth sign-in and requests basic profile information for authentication. · online-python.com, 7 Oct 2026
- Intended users
- The About page describes the tool as useful for people in the initial phase of learning Python. · online-python.com, 7 Oct 2026
- Lessons
- The home page offers 31 free interactive Python lessons with examples that run in the browser. · online-python.com, 7 Oct 2026
- Libraries
- The site says it supports advanced Python modules including Pandas and NumPy. · online-python.com, 7 Oct 2026
- Local files
- Users can open a local script and download code and output; projects can also be saved as a ZIP file. · online-python.com, 7 Oct 2026
- Privacy
- The privacy policy says shared code can be viewed by anyone with its link and advises against sharing sensitive data. · online-python.com, 7 Oct 2026
- Purpose
- Online Python is a web-based IDE for learning, building, running, and testing Python scripts. · online-python.com, 7 Oct 2026
- Python version
- The IDE supports Python 3.12. · online-python.com, 7 Oct 2026
- Run code
- Users can run Python code in a browser without setting up a local Python environment. · online-python.com, 7 Oct 2026
- Save and share
- Users can save code online and share it through a link with a selected expiry period. · online-python.com, 7 Oct 2026
- Security
- The privacy policy states that data is encrypted in transit and at rest and mentions secure cloud infrastructure, regular security audits, and access controls. · online-python.com, 7 Oct 2026
- Support
- The site directs users with bugs, questions, or suggestions to contact it by email, but the contact address is not shown in the page text. · online-python.com, 7 Oct 2026
- Visualization
- The IDE can record a program run and step through it with its Visualize feature. · online-python.com, 7 Oct 2026
Where Online Python stands on Freedom251
- Python IDEs#8 of 26
