Are repeated keys and empty values preserved?

Yes. Each URLSearchParams entry becomes a separate row, including repeated keys and empty values.

Does the warning remove secrets?

No. It only flags sensitive-looking parameter names; review and remove real secrets yourself.

What can I copy after editing?

You can copy the rebuilt URL, query string, or parsed JSON representation locally.

URL Parser and Query Inspector

Parse URL query parameters into editable rows, preserve repeated and empty values, rebuild the URL, and copy query or JSON.

URL inputBase URL for relative paths

Enter a URL to inspect its parts and query parameters.

How to use

url query parameter parser. Parse URL query parameters into editable rows, preserve repeated and empty values, rebuild the URL, and copy query or JSON locally.

1Paste a URL or load the sample.
2Inspect repeated and empty query rows.
3Add, edit, or remove key-value rows.
4Review the rebuilt URL and copy the query string or JSON.

Technical background

The native URL and URLSearchParams APIs expose repeated keys and empty values as separate editable rows.

Use cases

Use it to inspect campaign links, API requests, redirects, and sensitive-looking parameter names before sharing.

Privacy and security

Parsing is local; warnings identify risky names but do not detect or redact secrets.

FAQ

Guides

Create QR Codes for URL, Wi-Fi, and ContactsMake a QR code for a link, Wi-Fi network, or vCard and download it instantly. Choose size and error-correction level — all locally in your browser.
How to Test Regex PatternsTest regex in your browser. Enter a pattern and test text, toggle flags, inspect matches and capture groups, and preview replacements locally.