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URL Parameter Builder

Add key=value pairs to build a clean, percent-encoded query string and full URL — instantly, privately, in your browser.

Query string–
Full URL–

How to use

  1. Optionally paste a base URL.
  2. Add key/value rows and fill them in.
  3. The query string and full URL build instantly; copy them.

FAQ

What is a query string?

The part after the ? that carries key=value pairs separated by &.

Is it free and private?

Yes — free and runs entirely in your browser.

Related URL tools

More FAQs

Are these URL tools free?

Yes, free and unlimited with no signup.

Is my data uploaded?

No. Everything runs in your browser and nothing is sent to a server.

Related searches

url parameter builder, url parameters, query string builder, url query, utm builder, url encoder, percent encoding, url tools online