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Online Tcl to Janet 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 Tcl to Janet in a click of a button. To use this converter, take the following steps -

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

Key differences between Tcl and Janet

CharacteristicTclJanet
SyntaxSimple, command-based syntax with everything as a string; commands and arguments separated by whitespace.Lisp-like, uses s-expressions (parentheses), code and data share the same structure.
ParadigmPrimarily procedural, with some support for object-oriented and event-driven programming.Multi-paradigm: functional, imperative, and metaprogramming via macros.
TypingDynamically typed; everything is treated as a string internally.Dynamically typed; supports various data types (numbers, strings, tables, etc.).
PerformanceInterpreted, generally slower than compiled languages; performance is adequate for scripting.Bytecode-compiled, generally faster than many interpreted languages; efficient for scripting and embedding.
Libraries and frameworksRich set of libraries, especially for GUI (Tk), networking, and scripting tasks.Smaller but growing standard library; fewer third-party libraries compared to Tcl.
Community and supportMature, established community with extensive documentation and long-term support.Smaller, newer community; active development but less extensive resources.
Learning curveEasy to learn for beginners due to simple syntax, but some concepts (like everything as a string) can be confusing.Steeper learning curve due to Lisp-like syntax and metaprogramming, but powerful once mastered.