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URL Builder

Build and parse URLs with scheme, host, path, and query parameters. Copy the result instantly.

Developer Tools Runs locally No data sent
URL query params encode builder
URL Parts
Scheme
Host
Path
Fragment
Query Parameters
Key Value
Generated URL

What is URL Builder?

Build and parse URLs with scheme, host, path, and query parameters. Assemble URLs from parts or decode any URL into its components. Free, browser-based.

How to Use URL Builder

  1. Enter the base URL or domain you want to start from.
  2. Add the path, query parameters, and fragment values you need.
  3. Review the assembled URL and the encoded parameter values.
  4. Copy the final link for analytics, QA, API calls, or sharing.

Related Tools

🔍
URL Parser
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 🔗
URL Encode / Decode
Encode or decode URL parameters and components
 🌐
User Agent Parser
Parse User Agent strings to identify browser, OS and device
Understand URL Building ▾
Example
Input Base: https://api.example.com/v1/users
Output + params: page=2, limit=50, sort=name
Common Use Cases
  • Build marketing links with query parameters
  • Assemble API endpoints for testing and docs
  • Avoid mistakes when adding fragments and encoded params
  • Share complex URLs after previewing the final output
Frequently Asked Questions
Does it support URL fragments (#hash)?

Yes — set the fragment identifier in the dedicated field.

Are spaces encoded as %20 or +?

Query string encoding uses %20. Form encoding (application/x-www-form-urlencoded) uses +. The builder uses standard %20 encoding.

What does URL Builder Online – Construct URLs with Query Parameters do?

URL Builder Online – Construct URLs with Query Parameters runs entirely in your browser and helps you complete this task without uploading data to a server.

Is URL Builder Online – Construct URLs with Query Parameters free to use?

Yes. This tool is free to use and does not require sign-up.