URL Swap (Dev Helper) is a free Chrome extension designed for web developers to facilitate instant URL redirection during development. This lightweight tool enables front-end and full-stack developers to redirect any matching URL to a different host, port, or scheme without altering the underlying code. It supports various frameworks such as React, Vue, and Angular, ensuring seamless integration into existing workflows.

The extension allows for rapid environment switching, making it easy to connect production UIs to local APIs or staging servers. It operates entirely client-side, meaning all traffic remains on the user's machine. Key features include the ability to maintain path and query integrity, a one-click toggle for enabling or disabling rules, and Chrome Sync support to keep settings consistent across devices. URL Swap (Dev Helper) simplifies the process of debugging and testing, enhancing overall productivity.