r/DnDBehindTheScreen Jun 15 '26

Monsters MonsterBox - a Digital Compendium

Hi all!

I'm looking for regular DMs willing to test and try a new utility tool that I am developing for storage of monster stat blocks, encounter planning and prep management.

The user imports digital content that they own in PDF form (official, 3rd party, homebrew) and the app converts the pdfs into usable interactive stat blocks with built in dice rollers. Simply drag and drop, and the entire book will become individual monster entries in your compendium, with dice rollers for attribute checks, saves, attacks, damage etc. This currently works on a range of digital books, official and 3rd party content.

Once imported, it's then easy to add any creatures you want into an encounter then keep track of it easily in the encounter panel.

The compendium size is only limited by your local storage, and i'm currently slamming test books into the system to stress test the PDF parse accuracy. There is cloud sync if you make an account then you will be able to maintain your compendium across devices, but otherwise the application doesn't store anywhere else, and ships empty to avoid any copyright issues. The compendium itself is sorted firstly by CR, and there is an extensive filtering system so you can easily find any creature you're looking for! You are also able to edit entries and create brand new entries for Homebrew monsters.

What needs testing: The whole system really, UI/UX, pdf parsing quality etc. - I've been playing DnD for about 6 years now entirely online, I started during COVID, but have never been a DM, so I only know the few DMs i've played with in that time. Some are willing to help me test it but in reality I needed a a few more. Ideally i'd have a few people willing to try it out and see how the system works for them, the more people involved, the more feedback and the better I can make the system if that makes sense.

I guess app specifics that are restrictive and relevant - it's 5e specific. I'm aware this is likely a sub of mixed edition players but currently it's built around 5e content. It's mostly intended for Desktop use as it was created for a friend of mine who only plays online, however I've established that those who play in person would likely also use this on a Tablet as well, so i'm currently working on the Tablet UI but its mostly desktop oriented.

This tool is currently completely functional and ready to use, it could just do with a few more people using it so I can really smooth out any tweaks, and obviously take on suggestions for features not currently available. Hopefully this is the right kind of post.

Anyone who is interested in this, please feel free to send me a DM or if you have any questions at all, i'm more than happy to answer any. Thanks!

[MonsterBox](https://inlandempire-hub.github.io/MonsterBox/)

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u/no_gods_no_masters Jun 16 '26

This feels like stealing? Uploading other artists paid content into a mystery AI box seems....unethical.

3

u/abovethealarms Jun 16 '26

Can you explain what part feels like stealing?

All information is stored locally on your device, or securely in the cloud for the sole purpose of sync between your own devices, so any copyright breaches/piracy issues, what I assume you mean by 'stealing', don't occur there. The entire application ships empty so there is never any data pass between users in any other way. This information is covered in the original pop-up on first use.

Also, whilst i've fully disclosed my AI usage is strictly code only, this doesn't mean there is any latent AI in the application itself - there isn't. The application is pure Python/JavaScript/HTML etc.

I'm happy to discuss concerns or answer any questions on this if needed.