Crow Tech

Free utility

Query String Parser & Builder

Inspect query parameters or build a correctly encoded query string.

All free utilities

Processing stays on this device. Your input is not uploaded, sent to an external service, or saved by Crow Tech.

Workbench

Inputs stay on this page. Use the explicit action to validate and produce a result.

Repeated parameters become arrays when parsed. Builder arrays create repeated parameters; nested values and numeric literals that cannot be preserved are rejected.