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Online Janet to Tcl Converter

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upload iconClick to select or drop your input code file here.

You can also type the input code below.

How to use this tool?

This free online converter lets you convert code from Janet to Tcl in a click of a button. To use this converter, take the following steps -

  1. Type or paste your Janet code in the input box.
  2. Click the convert button.
  3. The resulting Tcl code from the conversion will be displayed in the output box.

Key differences between Janet and Tcl

CharacteristicJanetTcl
SyntaxLisp-like, uses s-expressions with parentheses, minimal and consistent.Command-based, uses whitespace for argument separation, less punctuation, more shell-like.
ParadigmMulti-paradigm: functional, imperative, and metaprogramming (macros).Primarily imperative, with some support for functional and event-driven programming.
TypingDynamically typed.Dynamically typed.
PerformanceGenerally faster due to modern VM and JIT compilation.Slower, interpreted, older VM design.
Libraries and frameworksSmaller ecosystem, but growing; includes core modules and some community packages.Mature ecosystem, especially strong in GUI (Tk), networking, and scripting.
Community and supportSmall but active and modern community, mostly on GitHub and chat platforms.Large, established community with decades of resources, forums, and documentation.
Learning curveSteeper for those unfamiliar with Lisp syntax; easier for those with Lisp experience.Gentle for beginners, especially those with shell scripting background.