Query String Parser: Parse & Edit URL Parameters | Free Tool
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Query Parser Tips
Parse & Edit
Parse any query string into editable key-value pairs. Modify values, add new params, or remove existing ones.
Add Parameters
Easily add new key-value pairs to build custom query strings.
Auto-Rebuild
The output query string automatically updates whenever you change any parameter.
URL Decoding
Values are automatically URL-decoded for readability and re-encoded in the output.
Frequently Asked Questions
What is a query string?
The part of a URL after the ? symbol, containing key=value pairs separated by &. Example: ?name=John&age=30
Does it handle URL encoding?
Yes, values are decoded for display and properly re-encoded in the output.
Can I add new parameters?
Yes, use the add row at the bottom to add new key-value pairs.
Is this free?
Yes.
How can I quickly remove specific tracking parameters from a URL using this query string parser?
Our Query String Parser streamlines cleaning URLs by removing unwanted parameters efficiently. Paste your full URL, and the tool parses it into editable key-value pairs. You can easily identify and click the 'remove' icon next to specific tracking parameters, such as `utm_source`, `gclid`, or `fbclid`. After removing the desired entries, simply click 'Rebuild Query String' to generate a clean URL perfect for sharing or SEO optimization.
How do I easily modify an existing query parameter's value in a complex URL?
Our Query String Parser allows you to quickly update any parameter's value. Simply paste your URL, and the tool will display all key-value pairs. Locate the parameter you wish to change, click into its value field, and type your new value. The parser handles all necessary encoding, and you can then rebuild the URL with your updated parameter for testing or sharing.
Can I rebuild the query string if I only want a few specific parameters?
Absolutely. After parsing your URL, you can selectively delete any parameters you don't need by clicking the trash icon next to them. Then, just hit 'Rebuild Query String' to generate a new URL with only your chosen ones. This is great for creating cleaner links for social media posts.
What happens if my URL has duplicate keys in the query string?
Our tool handles duplicates by showing each instance as a separate row. You'll see two or more entries with the same key but different values. This is common with analytics platforms or legacy systems. You can edit, remove, or keep each one individually. Just remember that most servers only read the first or last occurrence, depending on the framework. A practical tip: check your backend's behavior before rebuilding.
How to Parse Query Strings
- Paste a query string (with or without ?)
- Parameters appear in an editable table
- Edit, add, or remove parameters
- Copy the rebuilt query string