Side by side
Babel REPL vs DartPad
Both stand on code playground software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Web
Babel REPL offers a browser-based way to inspect and prototype transformations, with output and AST views. Its configuration limits and Babel’s production guidance make it more suited to learning and experimentation than production builds.
Visit Babel REPL Free plan Web
DartPad offers a free browser-based way to explore supported Dart and Flutter code, with editor assistance and Gist-based sharing. Its package limits and the discontinued in-interface Gist editing are worth noting.
Visit DartPadThe facts
| Babel REPL | DartPad | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Web | Web |
| Lowest paid plan | Not published | Free or on request |
| Plans published | None | 1 |
| Maker | Not published | DartPad |
| Website | babeljs.io | dartpad.dev |
| On code playground software | #21 of 58 | #17 of 58 |
Babel REPL: what it does well
- Free and open source.
- Shows input code, compiled output, and an AST pane.
- Includes React, Flow, TypeScript, and Env presets.
- Supports modern JavaScript and JSX transformations.
- Allows custom plugins and presets.
What to know first
- Does not type-check Flow or TypeScript.
- Configuration files do not work in standalone use.
- REPL does not support assumptions configuration or plugin options.
- Babel recommends a build system for production transpilation.
DartPad: what it does well
- Free and open source.
- Supports console, web, and Flutter apps.
- Provides hints, documentation, autocomplete, and formatting.
- Gist-loaded pads can be embedded with an iframe.
What to know first
- Does not support deferred loading.
- Arbitrary pub.dev packages beyond supported packages are not supported.
- Creating and updating Gists in DartPad’s interface is no longer supported.
- Code may be sent to Google Cloud for analysis and compilation.
Alternatives to Babel REPL Alternatives to DartPad The whole list