During web development and debugging, developers often need to compare the locally modified version with what is in production. Most of the time this involves copy and paste to make the urls for dev and production in two side-by-side tabs on a browser. This is not only tedious, but poses serious ergonomic injury risk as well.

I figured that a bare bones html with a few bits of javascript can go a long way towards making a custom tool just for this task. So if you got a set of paths (e.g. /blog?p=23 or /blog/2009/05/12/hello-world) just put them in the tool alongwith two hostnames, and you will instantly get urls in pairs to be opened on sequential tabs.

The tool is now hosted here: http://joydutta.com/projects/linkgen/

Feedbacks are most welcome. I can add more features on request if they prove to be absolutely essential.