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Free Fortran to Julia Converter

Translate Fortran into Julia code with a click of a button

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Three simple steps

How to use this tool?

This free online converter translates Fortran source code into Julia in three simple steps.

  1. Step 1

    Add your Fortran code

    Type, paste, or upload the Fortran code you want to translate.

  2. Step 2

    Convert the code

    Click Convert to translate the source code into Julia.

  3. Step 3

    Review the result

    Review, copy, or download the resulting Julia code from the output editor.

See it in action

Examples of Fortran to Julia conversion

These examples show Fortran source code and the corresponding Julia translation. Generated results can vary as AI models are updated.

Example 1

Is String Palindrome

Program that checks if a string is a palindrome or not.

Fortran code

Julia code

Example 2

Even or Odd

A well commented function to check if a number if odd or even.

Fortran code

Julia code

Language comparison

Key differences between Fortran and Julia

Key differences between Fortran and Julia
CharacteristicFortranJulia
SyntaxFortran has a more traditional syntax, with a focus on mathematical notation and array operations.Julia has a more modern syntax, with a focus on simplicity and ease of use.
ParadigmFortran is primarily a procedural language, but also supports object-oriented programming.Julia is a multi-paradigm language, supporting functional, procedural, and object-oriented programming.
TypingFortran is a statically typed language.Julia is a dynamically typed language.
PerformanceFortran is known for its high performance in scientific computing and numerical analysis.Julia is designed for high performance, with a just-in-time (JIT) compiler and support for parallel computing.
Libraries and frameworksFortran has a large number of libraries and frameworks for scientific computing and numerical analysis.Julia has a growing number of libraries and frameworks for scientific computing and data analysis.
Community and supportFortran has a long history and a large community of users, with good support for scientific computing and numerical analysis.Julia has a growing community of users, with good support for scientific computing and data analysis.
Learning curveFortran has a steep learning curve, with a focus on low-level programming and mathematical notation.Julia has a relatively gentle learning curve, with a focus on simplicity and ease of use.

Common questions

Frequently Asked Questions

How do I convert Fortran to Julia?

Paste your Fortran code into the input box, confirm the languages are set to Fortran and Julia, and click Convert. CodeConvert AI analyzes your Fortran code and generates equivalent Julia code in seconds, preserving the original logic and structure.

What are the main differences between Fortran and Julia?

Fortran and Julia differ in syntax, type system, standard libraries, and common idioms, so copying code line for line usually will not compile. The converter maps each Fortran construct to its closest Julia equivalent. See the comparison table below for the key differences between Fortran and Julia.

Is the converted Julia code accurate?

The AI produces high-quality Julia code that preserves the behavior of your original Fortran code and follows Julia conventions. It handles common patterns, data structures, and idioms for both Fortran and Julia. For large or performance-critical code, review and test the Julia output before using it in production.

Can I convert an entire Fortran project to Julia?

You can convert Fortran files one at a time by pasting each file's code. For a full migration, convert each file and then review how classes, dependencies, and project structure map from Fortran to Julia. Signing in for free raises the input limit to 25,000 characters per conversion for larger files.

Can I convert Julia back to Fortran?

Yes. CodeConvert AI converts in both directions, so you can convert Julia to Fortran just as easily using our Julia to Fortran converter. Try the Julia to Fortran Converter

Is the Fortran to Julia converter free, and do I need to install anything?

Yes, it is free and runs in your browser with nothing to install and no IDE extension required. You can convert Fortran to Julia without an account for up to 5 conversions per day. Sign in for free for higher limits.

What are the benefits of signing in?

Signing in unlocks CodeConvert AI's Pro converter with more powerful AI models, a built-in chat assistant, code execution, saved conversion history, and personal notes. Every free account includes 5 credits and supports up to 25,000 characters of input per conversion, with no credit card required.

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