Three simple steps
How to use this tool?
This free online converter translates Lisp source code into Gleam in three simple steps.
- Step 1
Add your Lisp code
Type, paste, or upload the Lisp code you want to translate.
- Step 2
Convert the code
Click Convert to translate the source code into Gleam.
- Step 3
Review the result
Review, copy, or download the resulting Gleam code from the output editor.
Language comparison
Key differences between Lisp and Gleam
| Characteristic | Lisp | Gleam |
|---|---|---|
| Syntax | Uses fully parenthesized prefix notation; minimalistic and uniform syntax. | Has a syntax similar to ML-family languages; more conventional and readable for modern programmers. |
| Paradigm | Multi-paradigm, but primarily functional with strong support for symbolic computation and macros. | Purely functional, emphasizing immutability and strong type safety. |
| Typing | Dynamically typed (though some dialects offer optional static typing). | Statically typed with strong type inference. |
| Performance | Performance varies by implementation; can be fast, but often not as optimized as modern compiled languages. | Compiles to Erlang BEAM bytecode or JavaScript; inherits performance characteristics of the Erlang VM, which is optimized for concurrency. |
| Libraries and frameworks | Has a long history with many libraries, but ecosystem can be fragmented and less modern. | Smaller and newer ecosystem; can interoperate with Erlang and Elixir libraries. |
| Community and support | Mature, but niche community; lots of historical resources, but less mainstream support. | Growing but small community; active development and modern support channels. |
| Learning curve | Steep for beginners due to unique syntax and macro system. | Moderate; easier for those familiar with functional programming and modern type systems. |
Common questions
Frequently Asked Questions
How do I convert Lisp to Gleam?
Paste your Lisp code into the input box, confirm the languages are set to Lisp and Gleam, and click Convert. CodeConvert AI analyzes your Lisp code and generates equivalent Gleam code in seconds, preserving the original logic and structure.
What are the main differences between Lisp and Gleam?
Lisp and Gleam differ in syntax, type system, standard libraries, and common idioms, so copying code line for line usually will not compile. The converter maps each Lisp construct to its closest Gleam equivalent. See the comparison table below for the key differences between Lisp and Gleam.
Is the converted Gleam code accurate?
The AI produces high-quality Gleam code that preserves the behavior of your original Lisp code and follows Gleam conventions. It handles common patterns, data structures, and idioms for both Lisp and Gleam. For large or performance-critical code, review and test the Gleam output before using it in production.
Can I convert an entire Lisp project to Gleam?
You can convert Lisp 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 Lisp to Gleam. Signing in for free raises the input limit to 25,000 characters per conversion for larger files.
Can I convert Gleam back to Lisp?
Yes. CodeConvert AI converts in both directions, so you can convert Gleam to Lisp just as easily using our Gleam to Lisp converter. Try the Gleam to Lisp Converter
Is the Lisp to Gleam 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 Lisp to Gleam 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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