I have personally added more than 100 collectible NFT projects to rarity.tools at the time of writing this, and have worked directly with many of the projects’ devs to add their projects to the site.

After adding so many projects, there are a few things that I’ve learned that I think would be useful to share with anyone who’s creating a collectible / generative / pfp / avatar or other NFT collection, at least in terms of “designing” the rarity distribution.

Following these rules will help make everyone involved with your project happier —your community will be happier, you will…


As noted in the Introducing rarity.tools article, one of the most common questions people ask in the discords of collectible NFT projects is ‘how rare is my nft’

This is because rarity is one of the most important factors in determining the value of an individual NFT.

But how do you determine the overall rarity of an individual NFT piece? That is what this series of articles is going to (try to) answer.

The Problem

If you look at any collectible NFT item on OpenSea, such as a Bored Ape Yacht Club, you will see that it has many properties (or traits).

Bored Ape Yacht Club #73’s Properties


rarity.tools is a website dedicated to ranking generative art and collectible NFTs by rarity.

Currently included NFT projects on the site are CryptoPunks, Hashmasks, Waifusion, Chubbies and Bored Ape Yacht Club

The rarest Hashmasks

Why a rarity ranking site?

One of the most common questions people ask in the discords of collectible NFT projects is ‘how rare is mine’.

This is because rarity is one of the most important factors (if not the most important factor) in determining the value of an individual NFT.

People want to know how rare their NFT is or whether the one they are looking at buying is rare. And how rare?

The solution

rarity.tools…

rarity.tools

https://rarity.tools : NFTs ranked and sorted by rarity! See the rarest CryptoPunks, Hashmasks, Waifusions and Chubbies and check how rare a specific ID is.

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