Offline engine (processed locally)TYPESCRIPT v1.0.0 Spec

Flow to TypeScript

v1.0.0

Migrate your codebase from Flow to TypeScript with our online converter. It translates Flow type annotations into equivalent TypeScript interfaces, types, and utility types. Designed to speed up migration, the tool handles common patterns like maybe types, union types, and utility types. Free, browser-based, and secure—your code stays on your machine.

—ms
FLOWInput (FLOW)
lines: 1chars: 42Size: 42 BUTF-8
TYPESCRIPTOutput (TYPESCRIPT)
Converted output will appear here
lines: 0chars: 0Size: 0 BUTF-8
Size change: -100.00%TOML compliant: v1.0.0

Tool guide

Accurate conversion

Input is processed by this tool’s dedicated converter.

Local processing

Your input is processed in your browser and is not uploaded.

Ready-to-use output

Copy the result or save it as a file.