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Craft instrument · no AI
Enter birth years (or full dates) and story events. Get ages at every beat so series continuity holds. Runs entirely in your browser. We do not store your manuscript or names.
Cast (name + birth date)
Story dates
| Character | Opening | Climax |
|---|---|---|
| Mara | 25y 9m | 28y 3m |
| Len | 32y 1m | 34y 7m |
Explore more
Same free daily limits — hop to another helper when you need a different kind of spark.
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Turn a target word count into act and midpoint ranges.
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