Beautify TypeScript Online — Free TS Formatter

Beautify TypeScript instantly with Prettier. All processing happens in your browser — no uploads.

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TypeScript Beautification
Beautify TypeScript online.

Features

Format TS with configurable print width and quote style.

Beautify TypeScript

Format TS with configurable print width and quote style.

Basic example

TypeScript source

const x:number=1;function add(a:number,b:number){return a+b}

Beautified TypeScript

const x: number = 1; function add(a: number, b: number) { return a + b; }

Formatting options

Print width
Wrap lines at 80, 100 or 120 columns.

Adjust tab width, tabs vs spaces, and quote style in the toolbar.

Prettier-powered formatting

Uses Prettier with the TypeScript parser. For JavaScript minification see our JS minifier or JS beautifier.

FAQ — Beautify TypeScript

Beautification

TypeScript vs JavaScript?

This tool expects TypeScript syntax. For plain JS use the JS beautifier.

Need to unminify?

Try the TypeScript unminifier — same Prettier engine.

Is data uploaded?

No — formatting runs entirely in your browser.

Looking for converters, encoders, formatters, and minifiers in one place? Developer tools hub Open the curated developer tools catalogue.

Other actions for this language

Beautify TypeScriptUnminify TypeScript