Query String Parser

Parse URL query parameters, decode values, and convert to normalized query or JSON.

URL & Query Parser

Input

Paste URL or query string.

Summary

Base URL
Parameter count0
Unique keys0

Parsed key-value pairs

Outputs

When to use this tool

Use this parser when debugging redirects, API calls, tracking parameters, login callbacks, or duplicated query keys. It accepts full URLs or plain query strings and keeps duplicate keys as arrays in JSON output.

FAQ

Can it parse repeated keys like tag=a&tag=b?

Yes. Repeated keys are preserved and exported as arrays in JSON.

Does this tool send data to a server?

No. Parsing runs locally in your browser.

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Base64 / URL Encode·Decode · JSON Formatter · What Is My IP