Developer Tools
URL & Query String Builder
Build a full URL with query parameters; values are encoded for safe sharing
Trusted by 10k+ developers
Query parameters
=
=
Full URL
https://example.com/search?q=hello+world&page=1
Encoded with URLSearchParams (UTF-8 safe)
Duplicate keys are allowed (multiple ?tag=a&tag=b). Empty keys are skipped.
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