Query String Builder
Build URL query strings visually. Add, edit, and remove parameters with automatic URL encoding.
=
=
https://example.com/api?page=1&limit=10
Tip: Paste a full URL in the Base URL field and click "Parse URL" to extract existing parameters.
Query Strings - Technical Details
Query strings pass data in URLs using key=value pairs separated by &. Special characters must be URL-encoded. The query string starts after the ? in a URL.
Command-line Alternative
// Query string format\nhttps://api.example.com/search?q=hello&page=1&sort=asc\n\n// URL encoding\nspace → %20 or +\n& → %26