URLSearchParams inspector
{ } Web & code
URLSearchParams inspector
Inspect query parameters, duplicate keys, UTM fields and a JSON handoff view.
Result
Logic
URLSearchParams inspector
URL oder Query-String wird mit URLSearchParams in Reihenfolge gelesen; doppelte Keys bleiben als Mehrfachwerte sichtbar.
Example
Input
https://example.com/?utm_source=newsletter&utm_source=paid&q=toolwise%20cloudResult
3 parameters, 2 unique keys, 1 duplicate key and JSON handoff
Common mistakes
- Mixing full URLs and raw query strings
- Treating duplicate keys as invalid instead of repeated values
- Comparing plus signs and spaces without decoding
Runs locally in the browser
Inputs stay in your browser. Toolwise does not store calculations.
Check
When is the result reliable?
How does URLSearchParams inspector calculate?
URLSearchParams inspector uses this visible logic: URL oder Query-String wird mit URLSearchParams in Reihenfolge gelesen; doppelte Keys bleiben als Mehrfachwerte sichtbar. Example values and common mistakes are shown next to the tool.
Do inputs stay local?
Yes. The calculation runs in the browser. Toolwise does not send inputs to a server or load external calculation modules.
What should I do next?
Copy the result or pass it locally to Query to JSON if you want to continue the workflow.