Add a base URL
Optionally enter the address.
Code & Data Tool
Query Parameter Builder
Build a query string from key-value pairs and an optional base URL.
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About this tool
What is Query Parameter Builder?
Query Parameter Builder builds a properly encoded query string from key-value pairs and an optional base URL.
Useful when you need to
- Create a link with parameters
- Test an API endpoint
- Avoid manual encoding errors
How to use
How to use Query Parameter Builder
01 02 Add pairs
Enter each key and value.
03 Build
Generate the query.
04 Copy
Copy the full URL.
Tips
Get better results
- Values are encoded for you.
- Check the base URL has no existing query.
FAQ
Frequently asked questions
Does it encode special characters?
Yes.
Is it private?
Yes.
Can I parse a query?
Use the Query Parameter Parser.
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