I created a simple service that automatically converts Substack newsletters and sends them to your Kindle.

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A while ago, halfway through reading a long post on Substack, I realized it’d be easier on the eyes to read it on my kindle. As I was going about the process of converting it manually, it occurred to me that I’d already had the same experience with another post before, so I decided to write something to automate it.

After using it for a few days myself and finding it actually useful, I decided to turn it into a small product for others to use. A few weeks after putting it online, I unexpectedly got my first paying customer.

While the product is obviously super niche and the scale is minuscule, I still find it pretty cool and inspiring to experience firsthand this full circle (idea -> product -> someone I’ve never met finds it useful enough to pay for)