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Query String Parser

Read every query parameter in a URL, then edit and rebuild the finished link.

Your URL

Parameters: —
Query length: —
—

Edit the parameters

Rebuilding keeps the original path and fragment, and encodes spaces as plus signs.

How to use the Query String Parser

  1. Paste the URL you want to inspect and press Parse to list its parameters.
  2. Edit the key and value lines, adding or deleting rows as needed.
  3. Press Rebuild URL to get the updated link, then copy it.

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Frequently Asked Questions

Common questions about the free online query string parser.

Parse the URL, change the key and value lines in the edit box, then rebuild the link to get the updated address.
Add a new line in the edit box in the form key equals value, then click rebuild to append it to the URL.
Delete its line from the edit box and rebuild the link, and the parameter disappears from the finished address.
Yes. Repeated keys are all listed, and each one is kept in order when the link is rebuilt.
Values use standard form encoding, so spaces may appear as a plus sign and other symbols as percent escapes.
Yes. Any hash fragment on the original URL is preserved and placed after the rebuilt query string.
No. Parsing and rebuilding both happen locally in your browser.
Yes, it is free with no sign-up and no limit on how many URLs you process.

Last updated: October 10, 2026