KinBo: Ultimate Ebook & Manga Converter for Kindle & Kobo.

Unlock the elite reading experience on your E-ink device! KinBo is the most powerful mobile tool designed to bridge the gap between your digital library and your eReader. Whether you are a manga enthusiast or a prose lover, KinBo ensures every page—whether image-based or text-native—is perfectly optimized for your screen.

Transform your mobile device into a professional-grade conversion station for Kindle, Kobo, BOOX, PocketBook, and reMarkable.

📚 UNIVERSAL EBOOK & MANGA SUPPORT
KinBo is no longer just for comics. It is now a universal bridge for all your reading content:

Manga & Comics: Transform CBZ, CBR, and ZIP archives into high-performance eBooks.

Mihon/Tachiyomi Ready: Fully compatible with your downloaded archives and chapter folders.

Reflowable Ebooks: Convert text-native EPUB and PDF files. KinBo extracts and re-packages prose to ensure perfect font control and smooth page turns.

🌟 WHY CHOOSE KINBO FOR YOUR eREADER?

Reading on a Kindle or Kobo can be frustrating due to heavy files and poor formatting. KinBo solves these problems with an elite suite of optimization tools:

✂️ Smart Margin Cropping: Automatically detects and trims white borders to maximize your viewing area.

📖 Spread Splitter: Perfect for Manga! Automatically splits double-page spreads into two portrait pages or rotates them for the best fit.

🌗 E-Ink Grayscale Pro: Convert color content to high-quality grayscale to drastically reduce file size and improve battery life.

🚀 AI-Powered Upscaling: Sharpen low-resolution scans so they look stunning on modern high-DPI screens like the Kindle Scribe or Kobo Libra Colour.

🏷️ Custom Metadata Editor: Take control of your library! Edit Book Title and Author name before conversion so your library is always perfectly sorted.

🛠️ PRO FEATURES AT YOUR FINGERTIPS

Full KEPUB Support: The premier mobile converter for true Kobo KEPUB files with fast navigation and full Table of Contents.

Sticky Settings: KinBo remembers you! Your favorite device profiles and conversion flags are saved automatically.

Batch & Folder Processing: Add entire series or nested directories and convert them in one tap.

Device-Specific Profiles: Optimized presets for Kindle Paperwhite, Kindle Oasis, Kobo Clara, BOOX, reMarkable, and more.

Parallel Processing: Leverage your phone's full power for lightning-fast conversions.

📁 SUPPORTED FORMATS

Input: CBZ, CBR, PDF, EPUB, ZIP, RAR, and Image Folders (JPEG, PNG, WEBP).
Output: EPUB, KEPUB (Kobo native), PDF, and CBZ.

🚀 HOW IT WORKS (3 SIMPLE STEPS)

Add Content: Select your manga files, folders, or ebooks.
Customize: Pick your reader profile and edit the metadata (Title/Author).
Convert & Sync: Hit convert and transfer your optimized file to your Kindle or Kobo for a premium reading experience!

💎 KinBo PRO
Love the app? Go Pro to remove all ads and support the development of the world’s most advanced mobile eReader converter.

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