Modernization Suite

Flow Migrator

Upgrade your legacy typed projects. Transition from Flow to TypeScript or pure JavaScript with surgical precision and speed.

Flow Migrator

Modernize your legacy Flow codebase with precision

Source Flow Code

Generated Result

Awaiting Extraction

Paste Flow to yield TypeScript

flow-migrator v.1

JS Extraction

Strip all static type aliases and property annotations for pure JS runtime.

TS Migration

Smartly map Flow specific concepts like variance and mixed types to TS.

Type Extraction

Isolate your domain models as .d.ts files for seamless TS integration.