OWB ↔ BattleTavern

Standalone Bridge • 100% client-side

No data loaded

Drop your OWB backup JSON here

or

File from Old World Builder full backup

1
Export your data from old-world-builder.com using the full localStorage backup script
2
Upload the downloaded JSON here
3
Click the big green button → file saved + battletavern://owb-import opens
Completely offline • No data leaves your computer • Open source friendly