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Online Python
What it is
Online Python is a browser-based IDE for learning, writing, running, and testing Python scripts. It supports Python 3.12, letting users execute code without setting up a local Python environment, and its editor is powered by ACE. Editor options include dark and light modes, additional themes, undo and redo, and an expandable output terminal. The site says it supports modules including Pandas and NumPy. Its Visualize feature records a run for step-by-step review; an integrated debugger and test runner are also listed, along with basic code intelligence. Users can open local scripts, download code and output, and save projects as ZIP files. Online code can be saved and shared through links with a selected expiry period. The site offers 31 free interactive lessons with examples that run in the browser. It says code sent to its server for execution is cleared after completion, while shared code remains until its expiry. Anyone with a shared-code link can view it, so the privacy policy advises against sharing sensitive data. The IDE is free to use on the web, with optional Google OAuth sign-in.
For and against
For
- Runs Python 3.12 in a browser
- Includes an integrated debugger and test runner
- Offers 31 free interactive lessons
- Supports Pandas and NumPy
- Can save projects as ZIP files
Against
- Shared code can be viewed by anyone with its link
- Shared code remains until its selected expiry
- Code execution is sent to the service's server
The verdict
Online Python combines a browser IDE with runnable lessons and tools for inspecting program runs. Keep sensitive information out of shared code, since anyone with the link can view it.
Who it suits
It suits people in the early stages of learning Python, as well as users who want to run scripts in a browser without configuring a local environment. The interactive lessons and run-visualization feature may be useful for learning and reviewing code.
Plans and prices
Online Python IDE
Free to use · Python 3.12 · web-based IDE
Read 7 Oct 2026 · online-python.com
On the record
- Code editor
- The IDE is powered by the ACE code editor.online-python.com · read 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 · read 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 · read 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 · read 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 · read 7 Oct 2026
- Lessons
- The home page offers 31 free interactive Python lessons with examples that run in the browser.online-python.com · read 7 Oct 2026
- Libraries
- The site says it supports advanced Python modules including Pandas and NumPy.online-python.com · read 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 · read 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 · read 7 Oct 2026
- Purpose
- Online Python is a web-based IDE for learning, building, running, and testing Python scripts.online-python.com · read 7 Oct 2026
- Python version
- The IDE supports Python 3.12.online-python.com · read 7 Oct 2026
- Run code
- Users can run Python code in a browser without setting up a local Python environment.online-python.com · read 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 · read 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 · read 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 · read 7 Oct 2026
- Visualization
- The IDE can record a program run and step through it with its Visualize feature.online-python.com · read 7 Oct 2026
