Hi ! Dev

Javascript Object to String

This tool converts JavaScript objects into URL-friendly query strings. It's great for building GET request URLs, tracking parameters, and encoding data dynamically for frontend or backend use.

Input JS Object:

Query String Output:

Online JavaScript Object to Query String Converter

This free online tool helps developers convert JavaScript objects into properly encoded URL query strings. It's useful for working with APIs, forms, and web requests.

Why Use This Tool?

✅ Instantly convert JS objects to query strings
✅ Supports nested and array values
✅ Copy or paste in one click
✅ 100% privacy — runs in your browser only

Example

Input:

{ name: "Alice", age: 25, city: "Delhi" }

Output:

name=Alice&age=25&city=Delhi

How It Works

Paste a valid JS object into the left box
Click the Convert button
Get your query string on the right

Use Cases

Appending parameters to API URLs
Testing GET requests
Form submissions and automation
Debugging client-server communication

Frequently Asked Questions (FAQ)

No, everything happens in your browser for full privacy.

The tool will show an error if your input isn't valid JSON/JS object syntax.

Basic support is available, but flattening deeply nested objects is limited.