Convert Anything.
Type Everything.
Free AI-powered developer tools to convert, type, and transform your code instantly.
function greet(name) {const msg = `Hello, ${name}`;return { message: msg };}
function greet(name: string): Greeting {const msg: string = `Hello, ${name}`;return { message: msg };}
Developer Converters
15+ free tools to convert, generate, and transform code
How It Works
Paste Your Code
Drop your JavaScript, CSS, JSON, GraphQL, SQL, or any supported format into the editor.
Convert Instantly
AI-powered conversion generates proper types, interfaces, and schemas. Client-side tools run in your browser no server needed.
Copy & Ship
Copy the result, download the file, or keep iterating. No signup, no limits on client-side tools.
Why SnipShift
AI-Powered, Not Just Regex
Our TypeScript, Zod, and schema converters use AI to generate meaningful names, smart validations, and proper typing not just find-and-replace.
Privacy First
Client-side tools never leave your browser. AI tools process your code but never store it. Your proprietary code stays yours.
Actually Free
No freemium bait. No "convert 3 files then pay" limits. No signup wall. Every tool, every time.
Built for Speed
6 tools run entirely in your browser with zero server calls. AI tools use a multi-model fallback chain for reliability.
15+ Tools, One Platform
Stop bookmarking 15 different converter websites. Everything you need, one consistent interface.
Developer-First Design
Monaco editor (same as VS Code), keyboard shortcuts, dark mode, copy/download in one click.
See It in Action
JavaScript → TypeScript
function fetchUser(id) {
const response = await fetch(`/api/users/${id}`);
const data = await response.json();
return { name: data.name, email: data.email };
}interface User {
name: string;
email: string;
}
async function fetchUser(id: number): Promise<User> {
const response = await fetch(`/api/users/${id}`);
const data = await response.json();
return { name: data.name, email: data.email };
}JSON → TypeScript Interface
{
"id": 1,
"title": "Hello World",
"tags": ["typescript", "react"],
"author": { "name": "Dev", "verified": true }
}interface Author {
name: string;
verified: boolean;
}
interface Post {
id: number;
title: string;
tags: string[];
author: Author;
}CSS → Tailwind
.card {
display: flex;
flex-direction: column;
padding: 1.5rem;
border-radius: 0.5rem;
background: #1a1a2e;
box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}<div className="
flex flex-col
p-6
rounded-lg
bg-[#1a1a2e]
shadow-md
" />Free Online Developer Converter Tools
SnipShift is a free collection of 15+ developer tools designed to convert, transform, and generate code instantly. Whether you need to convert JavaScript to TypeScript, generate Zod schemas from JSON, transform CSS to Tailwind utility classes, or compile SCSS to CSS SnipShift has you covered.
Our AI-powered converters use multiple language models (Gemini, DeepSeek, OpenRouter) to generate meaningful type names, smart validations, and production-ready code. Client-side tools run entirely in your browser with zero server calls for maximum speed and privacy.
Supported Conversions
| Source | Target | Engine | |
|---|---|---|---|
| JS | → | TS | AI |
| JSON | → | TS | AI |
| JSON | → | Zod | AI |
| JSON | → | YAML | Client-side |
| YAML | → | JSON | Client-side |
| CSS | → | JSON | Client-side |
| JS Obj | → | JSON | Client-side |
| CSS | → | TW | AI |
| SCSS | → | CSS | Client-side |
| HTML | → | JSX | Client-side |
| TW | → | CSS | Client-side |
| GQL | → | TS | AI |
| PropTypes | → | TS | AI |
| SQL | → | TS | AI |
| OpenAPI | → | TS | AI |
| Regex | → | Multi | AI |
| Pkg | → | Badges | Client-side |
| MD/JSON/CSV | → | MD/JSON/CSV | Client-side |
| .env | → | TS/Zod | Client-side |
| cURL | → | Code | AI |
Frequently Asked Questions
How do I convert JavaScript to TypeScript online?
Paste your JavaScript or JSX code into SnipShift's JS to TypeScript converter. Our AI analyzes your code structure, infers types, creates named interfaces, and produces clean TypeScript. The conversion is instant and free no signup required.
Is SnipShift free?
Yes, SnipShift is completely free with no signup required. All 15+ tools are available without limits. Client-side tools like JSON ↔ YAML, SCSS → CSS, and HTML → JSX run entirely in your browser.
Is my code safe when using SnipShift?
Client-side tools process your code entirely in your browser nothing is sent to a server. AI-powered tools send your code for processing but never store it permanently. The conversion cache automatically expires after 7 days.
What's the best JS to TS converter?
SnipShift's JS to TypeScript converter uses AI to generate meaningful interface names, proper React component typing, and avoids using "any" types. It supports JSX to TSX conversion, handles complex nested objects, and creates clean, production-ready TypeScript.
Can I convert React PropTypes to TypeScript?
Yes, SnipShift has a dedicated PropTypes to TypeScript converter. It converts React PropTypes declarations to TypeScript interfaces with proper typing for required/optional props, custom validators, and component default props.
Does SnipShift support JSX to TSX conversion?
Yes, SnipShift's JS to TypeScript converter fully supports JSX to TSX conversion. It adds proper React.FC typing, event handler types, and component prop interfaces automatically.