In this post, we̵;ll show you how to a shortening service like bit.ly or goo.gl using Express.js (Node.js) and . Here’s a demo of the final product we’ll be building through our MongoDB hosting platform.

How Does a URL Work?

At a very high level, the URL shortener works by taking an entered URL and creating a relatively shortened version simplified into an easy to share format. The shortened hash will be generated by base-encoding an auto-incremented counter and creates a minimum three-character hash that increases as the number of stored URLs go up.



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