Developer Tools
Decode query parameters from a full URL or raw query string.
Use this URL decoder for query params to decode URL query parameters into readable key-value data. It is useful for debugging tracking links, API requests, redirects, search URLs, and copied query strings that contain percent-encoded values.
Use this URL decoder for query params to decode URL query parameters into readable key-value data. It is useful for debugging tracking links, API requests, redirects, search URLs, and copied query strings that contain percent-encoded values.
Use url decoder for query params when you need a fast browser-based result without extra setup. It works well for quick checks, one-off tasks, and routine formatting or calculation work.
Read step-by-step usage guidance, best practices, and common mistakes.
See common questions and answers about input, output, and tool usage.
Review practical input and output examples before running the tool.
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Input
https://example.com/?q=hello%20world&utm_source=email
Output
q: hello world utm_source: email
Decodes percent-encoded parameter values into readable text.
Fix: Paste the full URL or a complete raw query string.
Fix: Decode only once and compare the output carefully.
Fix: Use a URL parser if you need full URL structure details.
Yes. You can paste either a full URL or just the query string part.
It shows decoded query parameter keys and values in a readable structured format.
This tool focuses on the query-string section and presents decoded parameters as readable key-value pairs.
Yes. It works online in the browser.
Use it when the main goal is to read and decode query parameters. Use the parser when you want the whole URL broken into parts.