Side by side
Fable vs Sucrase
Both stand on code transpilers. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Paid Web
Fable offers an F#-based route to JavaScript and TypeScript, with other output targets at varying maturity levels. Check library compatibility and target-specific requirements before planning a project.
Visit Fable Free plan APILinux
Choose Sucrase for development builds targeting modern JavaScript runtimes when its available transforms and integrations fit your project. Look elsewhere if you need type checking, old-browser output, extensible plugins, or a production-build tool better suited to that role.
Visit SucraseThe facts
| Fable | Sucrase | |
|---|---|---|
| Free plan | Not published | Yes |
| Open source | Not published | Not published |
| Runs on | Web | API, Linux |
| Lowest paid plan | Not published | Free or on request |
| Plans published | None | 1 |
| Maker | Not published | Not published |
| Website | fable.io | sucrase.io |
| On code transpilers | #27 of 28 | #23 of 28 |
Fable: what it does well
- Stable JavaScript and TypeScript targets.
- Imports JavaScript modules and uses NPM packages.
- CLI includes release, watch, and clean commands.
- Integrates with Vite, Parcel, and Webpack.
- Online Fable REPL is available.
What to know first
- Dart and Python targets are beta.
- Rust is alpha; PHP and Beam are experimental.
- Not all NuGet libraries work with Fable.
- Python targets require Python 3.12 or higher.
Sucrase: what it does well
- Free, MIT-licensed software.
- Transforms JSX, TypeScript, and Flow.
- Offers CLI, Node require hook, ts-node plugin, and JavaScript API.
- Lists integrations for Webpack, Gulp, Jest, Rollup, and Broccoli.
- Supports source maps.
What to know first
- Does not perform TypeScript or Flow type checking.
- Does not compile for older browsers such as Internet Explorer.
- Transforms cannot be extended through a plugin API.
- Babel or tsc may be more suitable for production builds.
Alternatives to Fable Alternatives to Sucrase The whole list