explaingit

koodo-reader/koodo-reader

Analysis updated 2026-06-21

26,801JavaScriptAudience · generalComplexity · 2/5LicenseSetup · easy

TLDR

Koodo Reader is a free, all-in-one ebook manager and reader that runs on every platform, Windows, Mac, Linux, iOS, Android, and browser, supporting EPUB, PDF, Kindle, and dozens more formats with automatic cloud sync across all your devices.

Mindmap

mindmap
  root((Koodo Reader))
    What it does
      Opens all ebook formats
      Syncs across devices
      Customizes reading view
      AI translation
    Supported formats
      EPUB and PDF
      Kindle files
      Comics and DOCX
    Platforms
      Windows Mac Linux
      iOS and Android
      Web browser
    Use cases
      Personal library
      Cross-device reading
      Multi-format support
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Code map

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filefunction / class

What do people build with it?

USE CASE 1

Manage and read your entire ebook library across Windows, Mac, Linux, iOS, and Android from one app with progress sync via Google Drive or Dropbox.

USE CASE 2

Open virtually any ebook format, EPUB, PDF, Kindle files, comics, Word docs, without needing a separate app for each type.

USE CASE 3

Sync reading progress, highlights, and notes across all your devices automatically so you never lose your place.

USE CASE 4

Use built-in AI features to translate passages, look up words, or generate summaries while reading.

What is it built with?

JavaScriptElectronReact

How does it compare?

koodo-reader/koodo-readerai/nanoidremy/nodemon
Stars26,80126,76626,689
LanguageJavaScriptJavaScriptJavaScript
Setup difficultyeasyeasyeasy
Complexity2/51/51/5
Audiencegeneraldeveloperdeveloper

Figures from each repo's GitHub metadata at analysis time.

How do you get it running?

Difficulty · easy Time to first run · 5min
Free to use, open-source with no restrictions.

In plain English

Koodo Reader is a free, all-in-one ebook manager and reader that works on Windows, Mac, Linux, Android, iOS, and even in your web browser, no device left out. It's built for anyone who reads digital books and wants one clean app to handle their entire library. You can open virtually any ebook format you throw at it: EPUB (the most common ebook format), PDF, Kindle files, plain text, comic book archives, Word documents, and more. Think of it as the Swiss Army knife of reading apps, if you have a book file, there's a good chance Koodo can open it. One of its standout features is cloud sync. You can connect it to services you likely already use, Google Drive, Dropbox, OneDrive, iCloud, and your books, highlights, notes, and reading progress stay in sync across all your devices automatically. No more losing your place when you switch from laptop to phone. The reading experience is highly customizable: adjust fonts, text size, line spacing, colors, margins, and switch between single-column, two-column, or scrolling layouts. There's a dark mode, text-to-speech (the app reads to you aloud), and AI-powered features like translation, dictionary lookups, and summaries. For anyone building a reading habit or managing a large digital book collection across multiple devices, this is a polished, free alternative to paid apps like Kindle or Apple Books, with more format support and no vendor lock-in.

Copy-paste prompts

Prompt 1
I want to move my Kindle library into Koodo Reader and read across my Mac and iPhone. Walk me through importing my books and setting up iCloud sync.
Prompt 2
I have 300 EPUB files in a folder. How do I bulk-import them into Koodo Reader and organize them into collections or shelves?
Prompt 3
Set up Koodo Reader's cloud sync with Google Drive so my reading progress and highlights stay in sync across my laptop and Android phone.
Prompt 4
Configure Koodo Reader's text-to-speech feature to read my current book aloud at a comfortable speed while I do other tasks.
Prompt 5
I want to read a French novel in Koodo Reader with inline English translations using the AI translation feature. How do I enable and use it?

Frequently asked questions

What is koodo-reader?

Koodo Reader is a free, all-in-one ebook manager and reader that runs on every platform, Windows, Mac, Linux, iOS, Android, and browser, supporting EPUB, PDF, Kindle, and dozens more formats with automatic cloud sync across all your devices.

What language is koodo-reader written in?

Mainly JavaScript. The stack also includes JavaScript, Electron, React.

What license does koodo-reader use?

Free to use, open-source with no restrictions.

How hard is koodo-reader to set up?

Setup difficulty is rated easy, with roughly 5min to a first successful run.

Who is koodo-reader for?

Mainly general.

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