FREE · DEVELOPER TOOLS
Query String Parser.
Decode URL query parameters while retaining duplicate keys.
How to use Query String Parser
Enter or choose the required input, adjust the settings, then generate and review the result. ?tag=a&tag=b yields two tag entries.
How it works
Decode URL query parameters while retaining duplicate keys. 200,000 characters. A plus sign in a query is decoded as a space. Inputs stay on your device. Review the preview or output before using it; refresh the page to clear the current working session.
Example
?tag=a&tag=b yields two tag entries.
Questions about Query String Parser
Is Query String Parser free, and do I need an account?
Yes. This tool is free to use in your browser without an account. Processing takes place on your device.
What are the limits and what should I check?
200,000 characters. A plus sign in a query is decoded as a space. Review the result before using it in your work.
Is my input sent to a server?
Your input is processed in your browser and is not uploaded by this tool. Files and pasted text are cleared when the page is refreshed. Normal website requests are still required to load the page and its libraries. Read the privacy explanation.