Monster stat block converter for tabletop RPG GMs
Convert source stat blocks into table-ready OSR and Shadowdark-compatible cards
Paste a 5e, OSE, or B/X monster, tune the result for your table, and export a cleaner stat card without rebuilding the creature from scratch.
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A calmer way to prep monster cards
Step 1
Paste a source stat block and choose the output profile.
Step 2
Tune threat, durability, and compatibility output for your table.
Goblin Cutpurse
Compact card preview
AC
13
HP
7
Move
30'
Attack: Scimitar +3 (1d6)
Trait: Gains advantage when striking from surprise.
Export: Save to library, print card, or download JSON.
Fewer steps
Paste, convert, and export in one flow without stitching together multiple prep tools.
Sharper table output
Generate leaner cards built for reading quickly at the table instead of scanning dense source text.
Export-ready
Save creatures, print cards, or move the results into your own workflow as structured JSON.
Choose your workflow
Use the page that matches what you are trying to do
The homepage is here to get you into the tool quickly. The dedicated workflow pages go deeper on use cases, compatibility language, and search-oriented explanations.
5e to OSR
Turn fuller 5e monster blocks into faster, lighter cards built for old-school pacing.
Explore this workflow
Shadowdark-compatible
Generate compatibility-focused cards for Shadowdark-ready prep without rebuilding everything by hand.
Explore this workflow
OSE and B/X
Standardize old-school monsters into compact printable cards and exportable JSON.
Explore this workflow
Start Here
Open the converter when you already know the job to be done
Best for returning users, quick prep sessions, or anyone arriving with a stat block already in hand.
Go straight to ConvertRead common questions firstDuskwarden is free to use. If it saves you prep time, consider supporting the project.
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