Free writing tools for nonfiction authors

Small, fast tools for the parts of a book that stall people: finding the idea, naming it, and structuring it. Free to use, no account needed.

Idea and structure tools

Describe your topic or expertise and get three nonfiction book concepts, each with a working title, a reader, and an angle.

Describe your book and your reader, and get five title and subtitle pairs written to sell a nonfiction book.

Turn a book idea into a chapter list, with a one-line summary of what each chapter argues or teaches.

Turn a chapter title into a working brief: what the chapter argues, what it covers, and what it leaves to other chapters.

Enter your book title, topic, and reader, and get back cover copy written to make a browser buy.

Enter your name, expertise, credentials, and book topic, and get a short author bio for your back cover or Amazon author page.

Get 7 Amazon KDP keyword phrases, 2 category suggestions, and a listing description for your nonfiction book.

Describe your book, its topic, and the tone you want, and get three nonfiction cover concepts with a visual style, a colour palette, and a layout.

Bulbon AI drafts every chapter with continuity memory, runs editing passes, and exports a publish-ready manuscript with cover and KDP metadata.