URL Query Parameter & UTM Tag Extractor
Parse, decode, and extract URL query strings, UTM tracking tags, and array parameters into structured JSON.
Execution runs 100% locally inside the browser sandbox using HTML5 Canvas, Web Cryptography Subtle API, and Web Workers. No data is ever transmitted across the network.
Zero network latency. Operates completely offline with zero dependencies on third-party backend servers or cloud services.
Built according to official RFC specifications, cryptographic test vectors, and enterprise-grade data transformation standards.
How to Use URL Query Parameter & UTM Tag Extractor
Paste any complete URL or query string into the input box.
Review the key-value list and UTM campaign parameters.
Copy or download the parsed JSON representation.
Frequently Asked Questions
How are duplicate keys handled?
Duplicate keys (e.g. ?tag=web&tag=app) are automatically collected into arrays.
Does it decode percent-encoded special characters?
Yes, characters like %20, %26, and %3F are decoded into standard text.
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