Can I export my world data?

Yes, your vaults are saved as simple, standard Markdown files with YAML frontmatter. You can open them in any text editor or move them to another tool at any time.

Does it support custom calendars?

Yes, the chronological timeline engine handles custom calendar definitions, fantasy months, and historical epoch calculations.

Codex Cryptica

Open App

100% Local-First Campaign Wiki

Interactive Worldbuilding Tool & Campaign Database

Map your fantasy worlds visually with local-first bidirectional linking.

Codex Cryptica provides an advanced visual workspace for authors, GMs, and worldbuilders. Construct timelines, link factions, map settlements, and visualize relationships in an interactive knowledge graph that works fully offline.

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Core Capabilities

Interactive Graph View

Visualize how factions, characters, and events connect in an interactive node-link relationship diagram.

Chronological Timelines

Map historical eras, campaign logs, and character life events on a temporal timeline scale.

Private Offline Vaults

Own your files. Codex Cryptica reads and writes markdown files locally, ensuring zero data lock-in.

Campaign manager RPG knowledge graph vs Obsidian

Frequently Asked Questions

Ready to Build Your World?

No account. No server database leaks. Just quick, private, local-first worldbuilding.

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