Software Alternatives, Accelerators & Startups

JSPython VS Transcrypt

Compare JSPython VS Transcrypt and see what are their differences

JSPython logo JSPython

Python-like syntax interpreter implemented with javascript that runs entirely in the web browser and/or in the NodeJS environment.

Transcrypt logo Transcrypt

Transcrypt is a Python to JavaScript transpiler.
  • JSPython Landing page
    Landing page //
    2022-03-07
  • Transcrypt Landing page
    Landing page //
    2022-07-12

JSPython features and specs

  • Ease of Use
    JSPython allows developers to write Python code to manipulate DOM elements, making it easier for those familiar with Python to develop web applications.
  • Integration with JavaScript
    It enables seamless integration with JavaScript, allowing developers to leverage existing JavaScript libraries and frameworks alongside Python code.
  • Faster Development
    By using Python, developers can potentially write more concise and readable code, which may speed up the development process.
  • Cross-Platform Compatibility
    JSPython runs in the browser, allowing developers to create cross-platform web applications without concern for server-side compatibility.

Possible disadvantages of JSPython

  • Learning Curve
    Developers familiar with JavaScript but not Python may need time to learn Python syntax and paradigms, which could slow down initial development.
  • Performance Overhead
    Running Python in the browser via transpilation or interpreters can lead to performance overhead compared to native JavaScript execution.
  • Limited Ecosystem
    The ecosystem and community support for Python in web development is not as mature or extensive as for JavaScript, possibly limiting resources and libraries.
  • Dependency on External Tools
    The need for additional tools and libraries to transpile or interpret Python code in the browser adds complexity to the development and build process.

Transcrypt features and specs

  • Python to JavaScript Transpilation
    Transcrypt allows you to write your code in Python, which is then transpiled into JavaScript. This enables Python developers to leverage their existing knowledge and skills to develop web applications.
  • Efficiency and Performance
    Transcrypt produces highly readable and compact JavaScript code, which can be optimized for better performance. The generated code includes optional source maps for debugging.
  • Access to JavaScript Libraries
    Transcrypt allows you to use JavaScript libraries seamlessly alongside Python code, enabling integration with existing JavaScript ecosystems.
  • Static Typing
    Transcrypt supports optional static typing, which can help catch errors earlier in the development cycle and make your code more robust.
  • Advanced Features
    Transcrypt supports advanced Python features such as multiple inheritance, tuple assignment, and list comprehension, providing a rich development experience.

Possible disadvantages of Transcrypt

  • Limited Python Support
    Only a subset of Python's standard library is supported, which might limit functionality that can be directly transpiled without modifications.
  • Compatibility Issues
    Certain Python constructs and idioms may not translate well into JavaScript, requiring developers to adapt their code specifically for web environments.
  • Learning Curve
    Although it enables Python development for the web, developers need to learn about the limitations and specifics of the transpilation process, which can be a barrier.
  • Community and Support
    Transcrypt has a smaller community compared to mainstream JavaScript frameworks, which can make finding support and resources challenging.
  • Development Overhead
    Transcrypt introduces an additional step in the build process, which might increase the complexity of the development and deployment workflow.

Analysis of JSPython

Overall verdict

  • JSPython is a solid, lightweight choice for developers who want to embed Python-like scripting inside JavaScript or TypeScript applications, offering a familiar syntax and seamless interoperability with the JS ecosystem, though it is not a full Python replacement.

Why this product is good

  • It lets you write Python-like syntax that runs directly in JavaScript environments, both in the browser and Node.js
  • Provides seamless interoperability, allowing scripts to call JavaScript functions and access JS objects easily
  • Lightweight and easy to embed, making it useful for adding user-configurable scripting to apps
  • Open source and free to use, with an active focus on data manipulation and expression evaluation
  • Great for enabling non-developers or end users to write logic without a heavy runtime

Recommended for

  • Developers building applications that need embedded, user-editable scripting logic
  • Teams creating low-code or no-code platforms requiring safe expression evaluation
  • Data-driven web apps that need Python-familiar syntax for transformations
  • Projects where end users with Python knowledge need to customize behavior without full Python runtime
  • Browser-based tools that require dynamic, sandboxed script execution

JSPython videos

No JSPython videos yet. You could help us improve this page by suggesting one.

Add video

Transcrypt videos

TransCrypt Review

More videos:

  • Review - TBG - TRANSCRYPT ICO Review
  • Review - PyCon.DE 2018: Python & Javascript = Transcrypt - Andreas Bunkahle

Category Popularity

0-100% (relative to JSPython and Transcrypt)
Generic Programming Language
Programming Language
28 28%
72% 72
OOP
28 28%
72% 72
IDE
100 100%
0% 0

User comments

Share your experience with using JSPython and Transcrypt. For example, how are they different and which one is better?
Log in or Post with

Social recommendations and mentions

Based on our record, Transcrypt should be more popular than JSPython. It has been mentiond 5 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

JSPython mentions (1)

  • How to open and analyse large JSON files online
    # Welcome to JSPython (https://jspython.dev) Data = openFileAsArray({ take: 1000 #skip: 1000 }).data # work with data array here Return data. - Source: dev.to / about 4 years ago

Transcrypt mentions (5)

  • PyScript
    This is a laudable effort, but I'm not a fan of shipping the entire interpreter. I looked around a few weeks ago and found https://transcrypt.org, which compiles your Python script to JS, so size is minimal. It's great for shipping small, internal tools/apps, I love how maintainable they are by all the Python devs, plus they're very fast to load and execute. - Source: Hacker News / about 4 years ago
  • PySketch: Python Playground for HTML5
    How is the Python being run by the browser? Several impressive projects bring Python to the browser, such as Brython, Transcrypt, Skulpt, Pyodide. PySketch uses Brython that compiles Python to JavaScript in the browser. You can take a look at this article about technologies and comparisons if you want to learn more. - Source: dev.to / over 4 years ago
  • How to actually use python code in browser or application?
    I have a Python program that takes user input from the console and shows some results on the console, and I want the user to be able to type stuff into it instead of pre-recorded runs. How do I do that? I'm not really sure. You could have a copy of Python running on the server and have the front-end communicating with it, but you'd have to be sure it's secured -- there are a lot of dangerous Python commands... Source: almost 5 years ago
  • Use of python for software development
    For web apps: in my experience, there are tools that convert Python into JavaScript or try to make Python run inside a web browser like Brython and Transcrypt. These have been VERY awkward or painfully slow, so I would strongly discourage their use in practical web development. Source: about 5 years ago
  • Python and the Browser - Revisited
    A while back, I posted about my initial foray into using Python to develop front-end web applications with React by using the Transcrypt transpiler. Python in the Browser Part of the initial learning process I went through was doing the official React tutorial, but using Python for the code instead of JavaScript. When I did that, I adhered to the structure of the application that was used in the tutorial... - Source: dev.to / over 5 years ago

What are some alternatives?

When comparing JSPython and Transcrypt, you can also consider the following products

Brython - Brython's goal is to replace Javascript with Python, as the scripting language for web browsers.

JavaScript - Lightweight, interpreted, object-oriented language with first-class functions

Skulpt - Skulpt is an entirely in-browser implementation of Python.

Pyjs - pyjs is a Rich Internet Application (RIA) Development Platform for both Web and Desktop.

Real-Time JavaScript Tool - Execute JavaScript codes in Real-Time!

Bosque - The Bosque programming language is an experiment in regularized design for a machine assisted rapid and reliable software development lifecycle.