Three simple steps
How to use this tool?
This free online converter translates Swift source code into Gleam in three simple steps.
- Step 1
Add your Swift code
Type, paste, or upload the Swift 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 Swift and Gleam
| Characteristic | Swift | Gleam |
|---|---|---|
| Syntax | C-like, modern, concise, and expressive with familiar curly braces and type inference. | Erlang/ML-inspired, indentation-based, minimalistic, and designed for clarity and safety. |
| Paradigm | Multi-paradigm: supports object-oriented, protocol-oriented, and functional programming. | Purely functional, emphasizing immutability and strong static typing. |
| Typing | Statically typed with type inference, optionals, and strong type safety. | Statically typed with strong, sound type system and no nulls or runtime type errors. |
| Performance | High performance, compiled to native code, suitable for system and application development. | Compiles to Erlang or JavaScript, performance depends on BEAM VM or JS engine; optimized for reliability over raw speed. |
| Libraries and frameworks | Rich ecosystem, especially for iOS/macOS development (e.g., SwiftUI, UIKit, Vapor). | Smaller ecosystem, can use Erlang/Elixir libraries, but fewer native Gleam libraries and frameworks. |
| Community and support | Large, active community with strong support from Apple and extensive learning resources. | Small but growing community, mostly open source contributors, limited resources compared to Swift. |
| Learning curve | Moderate; easier for those familiar with C-like languages, but some advanced features can be complex. | Gentle for those new to functional programming, but may be challenging for those used to imperative or OOP languages. |
Common questions
Frequently Asked Questions
How do I convert Swift to Gleam?
Paste your Swift code into the input box, confirm the languages are set to Swift and Gleam, and click Convert. CodeConvert AI analyzes your Swift code and generates equivalent Gleam code in seconds, preserving the original logic and structure.
What are the main differences between Swift and Gleam?
Swift 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 Swift construct to its closest Gleam equivalent. See the comparison table below for the key differences between Swift and Gleam.
Is the converted Gleam code accurate?
The AI produces high-quality Gleam code that preserves the behavior of your original Swift code and follows Gleam conventions. It handles common patterns, data structures, and idioms for both Swift and Gleam. For large or performance-critical code, review and test the Gleam output before using it in production.
Can I convert an entire Swift project to Gleam?
You can convert Swift 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 Swift 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 Swift?
Yes. CodeConvert AI converts in both directions, so you can convert Gleam to Swift just as easily using our Gleam to Swift converter. Try the Gleam to Swift Converter
Is the Swift 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 Swift 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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