Three simple steps
How to use this tool?
This free online converter translates Scala source code into Gleam in three simple steps.
- Step 1
Add your Scala code
Type, paste, or upload the Scala 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 Scala and Gleam
| Characteristic | Scala | Gleam |
|---|---|---|
| Syntax | Concise, expressive, blends object-oriented and functional styles, similar to Java but with more advanced features. | Simple, clean, and highly readable, inspired by ML-family languages, enforces immutability and pattern matching. |
| Paradigm | Multi-paradigm: supports both object-oriented and functional programming. | Purely functional programming. |
| Typing | Statically typed with powerful type inference and advanced type system. | Statically typed with strong type inference, focuses on simplicity and safety. |
| Performance | Runs on the JVM (and Scala Native/JS), generally high performance, benefits from JVM optimizations. | Compiles to Erlang BEAM or JavaScript, performance is good for concurrent workloads but not as fast as JVM for CPU-bound tasks. |
| Libraries and frameworks | Rich ecosystem, many libraries and frameworks (e.g., Akka, Play, Spark). | Smaller ecosystem, fewer libraries, but can interoperate with Erlang/Elixir libraries. |
| Community and support | Large, mature community with extensive resources and industry adoption. | Small but growing community, less industry adoption, more niche support. |
| Learning curve | Steep learning curve due to advanced features and complex syntax. | Gentle learning curve, designed for simplicity and approachability. |
Common questions
Frequently Asked Questions
How do I convert Scala to Gleam?
Paste your Scala code into the input box, confirm the languages are set to Scala and Gleam, and click Convert. CodeConvert AI analyzes your Scala code and generates equivalent Gleam code in seconds, preserving the original logic and structure.
What are the main differences between Scala and Gleam?
Scala 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 Scala construct to its closest Gleam equivalent. See the comparison table below for the key differences between Scala and Gleam.
Is the converted Gleam code accurate?
The AI produces high-quality Gleam code that preserves the behavior of your original Scala code and follows Gleam conventions. It handles common patterns, data structures, and idioms for both Scala and Gleam. For large or performance-critical code, review and test the Gleam output before using it in production.
Can I convert an entire Scala project to Gleam?
You can convert Scala 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 Scala 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 Scala?
Yes. CodeConvert AI converts in both directions, so you can convert Gleam to Scala just as easily using our Gleam to Scala converter. Try the Gleam to Scala Converter
Is the Scala 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 Scala 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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