Is this TypeScript viewer free?

Yes. It runs in your browser for free and needs no registration or installation.

Are my TypeScript files uploaded?

No. Files opened from your device stay on your device. Only public sample files come from the server.

Does it support .tsx?

Yes. The viewer reads both .ts and .tsx extensions equally.

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TypeScript Viewer

Free online TypeScript viewer. Open .ts and .tsx files directly in your browser without uploading them.

.ts.tsx

Interfaces & Arrays

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About this file format

.ts (TypeScript) is a strongly-typed superset of JavaScript that compiles to plain JavaScript. It adds static types, interfaces, and generics, improving tooling and maintainability for large codebases. .tsx extends TypeScript with JSX syntax for typed React components. TypeScript is maintained by Microsoft and widely adopted across modern web and Node.js projects.

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