Free AI tool to generate creative headcanons for any character
AI workspace and notebook for long-form writing
Stage
Not given
Not given
Founded
Not given
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Based in
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Pricing model
Free
Freemium
Pricing
Free to use
Free: $0, includes one project with up to three documents, unlimited notes and version history, imported sources, and 50,000 lifetime starter AI tokens. Pro monthly: $9.99/month with 1,000,000 AI tokens per month. Pro annual: $69.99/year with 1,000,000 AI tokens per month.
Key features
Generate unique character headcanons with AI
Optional details for customization
Explore alternate universes and scenarios
Private by default with no data storage
Character Prompt Generator tool
Description Generator tool
Relationship Generator tool
Scenario Generator tool
AI writing operations scoped to a passage (expand, outline, strengthen, summarize, critique, tone, plot, rewrite)
Long-form projects keeping notes, sources, documents, versions together
Voice Profile keeps whole manuscripts in consistent voice
Audio notes transcribed into the project
Long-form editor with outline navigation, word goals, focus mode, and local style statistics
What makes it different
Completely free with no signup required
Private by default with no server storage
Overcome creative blocks instantly
Total creative control with guided generation
All writing and organization features work without AI; AI is optional
AI operates on your notes and sources, not a blank prompt, keeping context across sessions
Text never used to train AI models; all writing remains private
Every AI result appears as a suggestion beside the draft; nothing rewrites in place without approval
One project holds multiple chapters with notes and sources; suitable for book-length manuscripts
Headcanon Lab
STRUT