Convert TypeScript to JavaScript Online

Transpile TypeScript code to plain JavaScript. Removes type annotations and compiles modern syntax.

Free online typescript to javascript converter — no software needed. Instantly change, transform, and export your files in seconds.

Drag & drop your file here

or browse to select — accepts .ts, .tsx (max 10MB)

How to Convert TypeScript to JavaScript Online

1. Upload Your File

Select or drag your .ts, .tsx file into the converter

2. Convert Instantly

Your file is converted from .ts to .js in seconds

3. Download Result

Download your converted .js file to any device

Best Free TypeScript to JavaScript Converter

Lightning Fast Conversion

Convert .ts to .js in seconds. No waiting, no queues — instant processing.

100% Secure & Private

All files are encrypted in transit via HTTPS and auto-deleted within 1 hour. Your data stays private.

Works on Any Device

Browser-based converter — works on Windows, Mac, Linux, iOS, Android, and Chromebook. No installation needed.

No Sign-Up Required

Start converting immediately. No registration, no email, no watermarks on your converted files.

When to Convert TypeScript to JavaScript

Sharing & collaboration

Send typescript files to people who only have javascript-compatible software, without losing layout or formatting.

Cross-platform compatibility

Open and edit your typescript file on devices that don't support it natively by converting to javascript once.

TypeScript vs JavaScript — Why Convert?

TS (TypeScript)

Standard TypeScript file format
Widely used across platforms
TypeScript files may have specific features
May require specific software to open

JS (JavaScript)

JavaScript format for broader compatibility
Easy to share and distribute
Supported by many applications
Ideal for your target workflow

TypeScript to JavaScript — Frequently Asked Questions

Is the TypeScript to JavaScript converter free?

Yes. Anonymous users get 5 free conversions per day; signed-in users get 10/day plus 2 AI uses. Pro removes the daily limit and raises the file-size cap.

What is the maximum file size for TypeScript to JavaScript?

Free users can upload files up to 10MB. Pro raises this to 100MB and Business to 500MB.

Is it safe to upload my typescript file?

Files are uploaded over HTTPS, processed on our servers, and deleted within 1 hour. We do not read, share, or train on file contents.