I built a free jewelry database for women with tiny fingers. Posted it on Reddit and the community started building it with me.
THE PROBLEM
If you wear a ring size 2-4 or have wrists under 14cm, shopping for jewelry online sucks. Most brands start at size 5. You end up checking size charts one by one
across dozens of sites only to find out they dont carry your size. No one has made a single place that answers "which brands actually make jewelry small enough for
me?"
I know this because I have this exact problem. Im 153cm with ring size 3 and 13.5cm wrists.
WHAT I BUILT
TinyFit Jewelry (https://humancronadmin.github.io/tiny-fit-jewelry/) is a database of 33 verified jewelry brands that carry small sizes. Filter by ring size,
bracelet length, price, country. Static site, GitHub Pages, $0 cost.
Tech: plain HTML/CSS/JS. I used a Node script to generate 46 pages programmatically from a single JSON file -- one page per brand, plus size filter pages and
guides. Adding a new brand takes 2 minutes: add to JSON, run the script, push.
WHAT HAPPENED WHEN I SHARED IT
I posted it on r/XXS (a subreddit for petite women). 130 upvotes, 36 comments. But the interesting part wasnt the numbers -- people started contributing. They told
me about brands I had never heard of. One person recommended an Etsy shop. Another pointed out a brand link on my site was broken. Someone shared a bracelet line
specifically made for 5.5 inch wrists.
I added every brand suggestion to the database the same day. Fixed the broken link within hours. The community is literally building this with me and that was not
part of the plan.
THE NICHE
This is genuinely underserved. There are Reddit threads and forum posts going back years from women frustrated about this. No one aggregated the answer. One thing I
found: Japanese jewelry brands carry some of the smallest sizes in the world but are almost invisible to English speakers. That gap alone makes this worth
building.
MONETIZATION
Plan is affiliate links. Havent activated yet -- applying to programs now. 33 brands across 8 countries gives me a decent spread. The site targets long-tail SEO
queries like "ring size 3 brands" and "bracelet for thin wrist."
LESSONS SO FAR
- Post where your users actually are, not where builders hang out. Reddit gave me real users and real feedback. Twitter gave me impressions from other builders.
- A broken link on your site can kill trust instantly. Someone caught mine before I did. Build feedback loops early.
- Programmatic SEO from a JSON file is underrated. 46 pages from one data source. Easy to maintain, easy to scale.
ASK
Anyone here running a similar niche database or affiliate site? How did you get initial traction before SEO kicked in? What affiliate networks work well for you?
This is such a clean niche — “which brands actually carry my size” is a real pain, and you nailed it.
The fact that users are contributing already is a huge signal. That’s basically your growth loop right there.
For early traction, I’ve seen doubling down on where the problem already exists (like r/XXS, Pinterest, niche forums) works way better than waiting for SEO.
Also, if you’re testing niche ideas like this — $19 puts it in real competition. Tokyo trip + $500 min guaranteed.
Round just opened: tokyolore.com 🚀
thanks for the first comment. i just posted on reddit and havent had time for x yet. still figuring things out and making changes based on feedback
This is a textbook example of how to validate a niche product. You had the problem yourself, built the smallest useful thing, posted where users actually are, and let the community shape the product. The Reddit-first approach over Twitter is a lesson most builders here need to hear.