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elasticsounds edited this page Apr 28, 2026
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Welcome to the ADT Studio wiki. This wiki covers everything you need to know to understand, use, and deploy ADT Studio.
ADT Studio is an open-source tool developed by UNICEF that converts print-ready PDF textbooks into Accessible Digital Textbooks (ADTs) — structured, interactive, screen-reader-friendly web experiences that work offline and can be hosted anywhere.
ADT Studio automates the hardest parts of the conversion process:
- Extracting text, images, and structure from PDFs using computer vision
- Understanding the layout and semantics of each page using large language models (LLMs)
- Generating interactive HTML storyboards, quizzes, a glossary, and captions
- Translating all text to one or more target languages
- Producing text-to-speech audio for every section
- Packaging everything into a self-contained web bundle ready to upload or deploy
The tool is designed for content teams, publishing houses, ministries of education, and NGOs who need to make textbook content accessible to learners with disabilities and to learners in low-connectivity environments.
| Page | What it covers |
|---|---|
| What is an Accessible Digital Textbook? | Definition, benefits, and accessibility standards behind ADTs |
| Using ADT Studio | Step-by-step guide to turning a PDF into an ADT |
| Hosting the Output | Options for publishing and distributing the packaged ADT |