Online TypeScript Formatter

Automatically format TypeScript for a readable and consistent style.

Input

Formatted Output

Formatting Options

Line width

Indent width

Use tabsEnable

Use semicolonsEnable

Use single quotesEnable

Trailing commas

Examples

TS sample

type User={id:number;name:string};export const hi=(u:User)=>"Hi "+u.name

Generics

function map<T,U>(xs:T[],fn:(x:T)=>U):U[]{return xs.map(fn)}

Why developers choose Online TypeScript Formatter

Online TypeScript Formatter automatically cleans up indentation, spacing, and line wrapping so diffs stay focused on logic instead of whitespace. Automatically format TypeScript for a readable and consistent style.

Apply consistent formatting to legacy files, generated code, or quick prototypes without memorizing style rules. Optional controls for indentation, quotes, and maximum line width ensure the output aligns with any internal guideline.

Everyday formatting scenarios

Prepare pull requests faster by reformatting entire files before review, reduce merge conflicts caused by mixed tab/space styles, and keep shared libraries tidy across teams.

Normalize code that originated from design tools, AI generated snippets, or post-migration scripts so that onboarding engineers can read and extend it immediately.

Workflow tips

Paste an example into the editor, tweak the options, and copy the resulting config into your CI pipeline for automated enforcement.

Bookmark this page or preload it in documentation portals so contributors always have a fast, zero-install formatter ready when reviewing snippets.

Frequently Asked Questions

Does Online TypeScript Formatter send my data anywhere?

No. Everything runs inside your browser. Inputs stay in local memory, and nothing is uploaded to external servers.

Will formatting change how my code runs?

Formatting only changes whitespace. It never alters runtime behavior, so you can run it before every commit with confidence.

Can I customize Online TypeScript Formatter for my team?

Yes. Adjust the available options, copy the output, and document the exact settings so teammates can reproduce the same results without guessing.

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