This is a tabletop game designing (or playing) tool. There are plenty of dice rollers out there, but not many board game token bag tools. This is a utility that I needed but could not find, so I made a quick (ugly) one.  This tool will remain free to use forever, and is free for all uses. No attribution or credit required, but I am always personally curious as to how it's used in the wild if you're interested in sharing. Post any bugs you find in chat.

HOW TO USE:

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There are 7 different colored tokens for use. See below. The top number is the amount of tokens of that color in the bag. The text box below that is a custom label for the token (eg "1 ATK"). The red text saying "Probability" will switch to the probability of that token being drawn from the bag. The (0/0) number below will show (how many have been drawn/total in bag). So, if you have 30 green tokens in the bag and have drawn 6, it'll show (6/30).

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After you've set up the amount of tokens you want in the bag, click "Draw Token". This simulates pulling a token out of the bag. By default, each token pulled out will REMAIN OUT OF THE BAG after drawn (see next section). "Refill Bag" puts all the drawn tokens back into the bag. "Clear" clears all token values, to start over. 

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"Unique Draws" basically means the difference between keeping drawn tokens out of the bag (until "Refill Bag" is clicked) or automatically refilling the bag at each draw, simulating the player placing the token directly back into the bag. There are also 3 presets that you can flip between and save, so you can flip back and forth to up to 3 different preset token bags.

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I hope this helps and let me know if you have any questions.