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Add a book
Upload a supported PDF, EPUB, or text file you own or are authorized to use. The original source remains preserved.
How iNstine works
Understand first. Decide second. Then let them read.
iNstine is designed to make the path from a book file to a child-ready reading experience simple, explainable, and parent controlled.
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Review the iNstine content guide
iNstine analyzes the book and organizes findings such as language, mature themes, substances, violence, and reading-level signals into a clear parent view.
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Choose the reading experience
Approve the book as-is or apply child-specific preferences to soften, hide, or flag selected content for review.
What stays protected
The original book is not rewritten.
iNstine keeps the source intact and creates a separate child-specific reading experience. That means a parent can change preferences later without destroying or permanently changing the original file.
See how controls work →Ready to try it?
Start with one book and one reader.
You can begin on the free family plan and upgrade when your library grows.