Turn YouTube videos into royalty-earning books.

Sell your output anywhere readers buy

• Amazon KDP
• Kindle
• Google Books
• Substack
• Gumroad
• Notion

• Multi-agent pipeline

  Cleaner, extractor, outline architect, writer, refiner, composer. Each agent has one job, so the prose stays grounded.

• Does not read as AI

  Em dashes, AI-tell phrases and stray markdown are banned at the prompt level and stripped before persist. The book reads human.

• Live KDP preview

  Watch the manuscript draft itself in a real 6 by 9 spread, word by word, page after page. No exporting just to skim.

• Print-ready typography

  Times Roman, 10.5pt, 1.42 leading, mirrored gutters, drop folios. The template real KDP authors use.

• PDF, EPUB, DOCX

  One click renders all three formats. PDF for print, EPUB for Kindle, DOCX for the editor you trust.

• Inline editor and rewrite

  Polish any paragraph with Flash Lite rewrites in place. Tighten, simplify, sharpen, without leaving the page.

• Opportunity analysis

  Before generating, VidBook scores a video for educational depth and KDP monetization fit, so you do not waste credits.

• Credit-based, fair pricing

  One credit per chapter. Free plan starts you with five. No surprise per-token charges.

1. 1 / 6
   Step 01

   Paste a YouTube URL

   VidBook pulls the transcript, falls back to a Whisper-style extractor when captions are missing, and scores the video for book potential. You see the title, channel, duration, and estimated page count before you spend a single credit.

2. 2 / 6
   Step 02

   Transcript becomes a structure

   We chunk the transcript semantically, then an architect agent maps it into chapters, objectives, and a Quick Wins block. The outline is editable before you commit, so you can rename chapters, drop sections, or reorder before generation starts.

3. 3 / 6
   Step 03

   Outline and chapters get drafted

   Each chapter is written by Gemini 2.5 Pro, threaded with continuity summaries from prior chapters and grounded only in the source transcript. This prevents the hallucinated facts and contradictions you get from one-shot prompting in ChatGPT or Claude.

4. 4 / 6
   Step 04

   Developmental edit pass

   The refiner agent scores each chapter for hook, reader value, actionability, and AI tells. Weak chapters are auto-rewritten and a 30+ pattern humanizer removes the giveaways (em dashes, hedge words, generic transitions) so the manuscript reads like a human wrote it.

5. 5 / 6
   Step 05

   Polish in the inline editor

   Rewrite any selection with Gemini Flash Lite in 2 seconds. Tighten, sharpen, or shift register. The result still respects the no-em-dash, no-markdown rule that keeps Kindle and KDP renderers happy.

6. 6 / 6
   Step 06

   Export to KDP

   One click renders PDF, EPUB, and DOCX. Upload the PDF straight to Amazon KDP. Margins, gutter spacing, mirrored layouts, and folios are already correct for a 6×9 paperback. The EPUB works in Apple Books, Google Play Books, and Kobo.

• Will VidBook hallucinate facts from the video?+

  No. Every chapter is grounded in the transcript chunks it was assigned, and a refine pass strips claims that don't appear in the source. The multi-agent pipeline (outline architect, chapter writer, style refiner) is constrained at each stage to the relevant transcript window, which keeps the manuscript faithful to what was actually said in the video.

• How long does a book take to generate?+

  A 7-chapter book typically finishes in 6 to 10 minutes. Longer videos take more because the outline, writer and refiner pass run sequentially per chapter. You can leave the tab open and watch the live progress timeline, or close the tab — the job continues server-side via Trigger.dev and the dashboard picks up where it left off.

• Can I edit the manuscript after generation?+

  Yes. Every chapter is fully editable in the in-app editor. The inline rewriter uses Gemini Flash Lite to polish selections in a couple of seconds, so you can tighten phrasing, simplify a paragraph, or shift register on any passage. The page-flipping preview updates live so you see the final book layout as you edit.

• What about copyright when converting a YouTube video to a book?+

  VidBook is a tool. You are responsible for the source material you feed it and the book you publish. Most creators use their own videos, which is the safest path. If you use someone else's content, get permission or rely on fair-use principles you have actually verified with a lawyer.

• Do credits roll over month to month?+

  No. Your monthly credit balance resets each renewal and unused credits do not carry over. Free-plan credits are one-time on signup. You can upgrade or downgrade at any time from the Billing page; new balances apply from the next billing cycle.

• Which export formats are supported for KDP and other stores?+

  Every project exports as KDP-ready PDF (6×9 trim with mirrored margins, gutter spacing and print-safe layout), EPUB 3.0 for Apple Books / Google Play Books / Kobo, and DOCX for editors who want to make manual adjustments. Each format becomes downloadable as it finishes rendering.

• What is the difference between VidBook and ChatGPT or Claude for writing a book?+

  ChatGPT and Claude are general-purpose chat tools. VidBook is a publishing pipeline: it ingests a YouTube transcript, builds a chapter outline grounded in that transcript, writes each chapter with retrieval-based context (no one-shot prompting), runs a humanizer pass, and renders a KDP-ready PDF with proper margins. You skip prompt engineering and manual formatting.