Reading books on a smartphone has become an integral part of the lives of many users. Cool Reader is one of the most popular applications for Android, which supports formats FB2, EPUB, TXT and others, offering a convenient interface and flexible settings. However, beginners often have a question: how to download books for free directly into the application without breaking the law and without risking the security of the device?

In this article we will analyze legal ways to download books in Cool Reader, set up the application for convenient work with files, and also look at typical errors that interfere with downloading. You will learn where to look for free books in Russian and English, how to add them to your library correctly, and what to do if the file does not open. We will pay special attention to security how to avoid viruses and fraudulent sites when searching for literature.

If you have already tried to download books, but encountered problems (for example, the application does not see the files or books are displayed in hieroglyphs), at the end of the article there FAQ with solutions. We have also prepared list of verified open access librarieswhere you can legally download thousands of books without registration.

Why Cool Reader is the best choice for reading on Android

Before moving on to downloading books, it is worth understanding why Cool Reader stands out among its peers. This application is open source (open-source), which guarantees no hidden advertising and no data collection. Among the key advantages:

  • 📖 Support for all popular formats: FB2, EPUB, MOBI, TXT, PDF (with restrictions), DOC.
  • 🎨 Customizable interface: fonts, background colors, indents, brightness - everything adjusts to your preferences.
  • 🔍 Built-in text search and a dictionary for quickly translating unfamiliar words.
  • 📁 Convenient library organization: sorting by authors, genres, date added.
  • 🌐 Support for cloud storage: Google Drive, Dropbox, Yandex.Disk.

Important: Cool Reader does not have a built-in book store, so all files must be downloaded on your own. This is both a plus (no forced purchases) and a minus (you have to look for sources). However, this is precisely what makes the application universal - you can read any booksincluding those that are not sold in Google Play Books or LitRes.

If you have not yet installed the application, download it from Google Play (official version) or from the developer’s website. Avoid third-party APK files - they may contain viruses.

📊 Which book format do you prefer?
FB2
EPUB
PDF
TXT
Other

Where to download books for Cool Reader for free and legally

Main rule: do not violate copyright. Many books are freely distributed legally, either because the copyright has expired or because the author himself has authorized free distribution. Here are verified sources:

Source Content type Formats Registration required?
LitRes (free books) Modern literature, classics FB2, EPUB No
RoyalLib Classics, science fiction, detective stories FB2, TXT, RTF No
Project Gutenberg Classics of world literature EPUB, Kindle, TXT No
Flibusta Fiction (caution: the legality is controversial!) FB2, EPUB, MOBI No
Z-Library Scientific, educational, fiction literature PDF, EPUB, DJVU Yes (but there are workarounds)

⚠️ Attention: Sites like Flibusty or Z-Library are often blocked upon request copyright holders. Their use may involve risks (viruses, phishing). We recommend giving preference to legal sources, such as LitRes or Project Gutenberg.

If you are looking for textbooks or scientific literature, please pay attention attention to:

  • 📚 BookSee —technical literature, tutorials.
  • 🎓 Twirpx —textbooks, dissertations (registration required).
  • 🔬 arXiv —scientific articles and studies (in English).
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Before downloading the book, check reviews about the site on the forums (for example, on 4PDA or Reddit). This will help you avoid fraudulent resources that distribute viruses under the guise of books.

Step-by-step guide: how to download a book in Cool Reader

When you have found the book, all that remains is to download it into the application. Let's consider two methods: through built-in browser and through file manager.

Method 1: Download through the browser directly into Cool Reader

  1. Open Cool Reader and go to section Library.
  2. Click on the three dots (⋮) in the upper right corner and select Open in browser.
  3. In the address bar, enter the URL of the site from which you want to download the book (for example, royallib.com).
  4. Find the book you need and click on the download link. The file will be automatically saved to the folder Download or CoolReader.
  5. Return to the library and click Update —the book will appear in the list.

Method 2: Download via file manager

  1. Download the book through any browser (for example, Chrome) to your device.
  2. Open a file manager (for example, Files by Google or Total Commander).
  3. Find the downloaded file (usually in the folder Downloads or Download).
  4. Click on the file and in the "Open with..." menu select Cool Reader.
  5. The book will open in the application and automatically be added to library.

If the book does not appear in the library, check the folder settings in Cool Reader:

  1. Go to Settings → Folders with books.
  2. Make sure that the folder where you downloaded the book (for example, Download), added to the list.
  3. Click Scan folders.

Make sure the site is legal|Check the book format (is it supported in Cool Reader)|Download the file to a folder that Cool Reader sees|Update the library after downloads-->

Setting up Cool Reader for easy reading

To make reading comfortable, let's configure the basic parameters:

1. Fonts and design

Go to Settings → Appearance i select:

  • 🔤 Font: Amiri or Literata —best for books.
  • 🎨 Background color: for a dark theme, select #121212 (black) with white text.
  • ✨ Line spacing: optimal - 1.5.
  • 📏 Margins: increase the side margins to 10% for convenience.

2. Library management

To prevent books from getting lost:

  • 📁 Create a separate folder for books (for example, Books) and specify it in the settings Cool Reader.
  • 🏷️ Use tags: in the book properties, add a genre or author for quick search.
  • 🔍 Enable sorting by Date added or Author in the library settings.

3. Synchronization with the cloud

If you read on several devices:

  1. Connect Google Drive or Dropbox to Settings → Cloud.
  2. Upload books to the cloud and sync them with Cool Reader.
  3. Enable auto-save reading position to avoid losing progress.

⚠️ Attention: If you are using Cool Reader on a tablet with a large screen, disable automatic page rotation in landscape orientation (Settings → Screen → Auto-rotate). This will prevent accidental page changes when tilting the device.

How to remove annoying flipping animation?

Go to Settings → Animation and select No animation or Scrolling. This will speed up the transition between pages and save battery power.

Problem solving: the book does not download or open

Sometimes users encounter errors when downloading or opening books. Let's look at typical cases and their solutions.

1. The book is not downloaded through the browser in Cool Reader

Possible reasons and remedies:

  • 🌐 Site blocking: some resources (for example, Flibusta) may be blocked by the provider. Use a VPN.
  • 📥 Incorrect format: Cool Reader does not support PDF with DRM protection. Try converting the file to FB2 or EPUB.
  • 📵 No access to memory: check application permissions in Android Settings → Applications → Cool Reader → Permissions (must be enabled Storage and Internet).

2. The book has been downloaded, but does not open.

Most often this is due to:

  • 🔤 Damaged file: try downloading the book again.
  • 📖 Unsupported format: Cool Reader does not open AZW3 (format Kindle). Use Calibre for conversion.
  • 🌍 Text encoding: if instead of letters there are hieroglyphs, in the book settings (Properties → Encoding) select UTF-8 or Windows-1251.

3. The book is displayed without formatting

This is typical for TXTfiles Solution:

  1. Open the book. in Cool Reader.
  2. Go to Settings → Text formatting.
  3. Enable the option Word wrap and set First line indent.
  4. If it is EPUB without styles, try another reader (for example, Moon+ Reader).

⚠️ Attention: If the book is in format PDF is displayed crookedly (text is too small, cut off edges), this is due to restrictions Cool ReaderFor PDF it is better to use Foxit PDF Reader or Xodo PDF.

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If the book does not open in any reader, most likely the file is damaged. Try downloading it from another source or use a recovery service, for example Online File Repair.

Alternative ways to add books to Cool Reader

In addition to direct downloading, there are other methods for replenishing the library:

1. Transferring books from a PC via USB

If books are stored on a computer:

  1. Connect your smartphone to the PC via a USB cable.
  2. Select the file transfer mode (File manager or MTP).
  3. Copy books to the folder Books or Download on your phone.
  4. Open Cool Reader and update the library.

2. services

Convenient if books are stored in Google Drive or Dropbox:

  1. Upload books to the cloud from a PC.
  2. In Cool Reader go to Cloud → Add account.
  3. Log in and select the folder with books.
  4. Download the necessary files directly into the application.

3. Using OPDS catalogs

OPDS is a protocol for accessing online libraries directly from the reader. How to connect:

  1. Find the OPDS directory address (for example, https://booksee.org/opds).
  2. B Cool Reader go to Network → Add OPDS catalog.
  3. Enter the name and URL of the catalogue.
  4. Update the list - books from the catalog will become available for download.

⚠️ Attention: Some OPDS catalogs require authorization. If the site asks for a login/password, enter them in the connection settings in Cool Reader. Avoid directories with suspicious domains (for example, with random letters in the address).

Security: how not to run into viruses when downloading books

The search for free books often leads to dubious sites where viruses or viruses can be hidden under the guise of literature phishing pages. Follow the rules:

  • 🛡️ Check the file extension: the book cannot be in the format .exe or .apk. Legal formats - FB2, EPUB, PDF.
  • 🔍 Use an antivirus: before opening the file, check it through VirusTotal or the built-in scanner on your phone.
  • 🚫 Avoid "cracked" books: files marked "no" DRM" or "cracked" often contain malicious code.
  • 🔗 Do not follow short links: scammers disguise phishing sites as bit.ly or cutt.ly.
  • 📱 Download only through a secure connection: there should be a 🔒 icon (HTTPS) in the address bar.

If you have downloaded a suspicious file:

  1. Do not open it.
  2. Delete file through the file manager.
  3. Check your phone with an antivirus (for example, Malwarebytes).
  4. If the application behaves strangely (for example, shows ads), delete it and install Cool Reader again.

💡 Tip: Configure in Cool Reader automatic library backup (Settings → Backup). This will help restore books if the device is infected with a virus.

FAQ: Frequently asked questions about Cool Reader and downloading books

Is it possible to read books from Cool Reader? LitRes or Google Play Books?

No, Cool Reader does not support DRM-protected books from LitRes or Google Play Books. These services use their own formats (.lrf, .acsm) and require official applications. However, you can buy books in FB2/EPUB without DRM (for example, on LitRes in the "Free Books" section) and download them to Cool Reader.

Why doesn't Cool Reader see books in the Downloads folder?

The reason is that the folder Download has not been added to the scan list. Solution:

  1. Open Cool Reader and go to Settings → Book folders.
  2. Click Add folder and select Download (or Downloads).
  3. Return to the library and click Update.

If the folder is not displayed, check the application permissions in the settings Android.

How to convert PDF to FB2 for Cool Reader?

Use the app Calibre:

  1. Install Calibre on PC.
  2. Add PDF-file to the library.
  3. Select a book, click Convert books and select format FB2.
  4. After conversion, transfer the file to your phone.

For online conversions can be used Convertio, but be careful about downloading confidential documents.

Cool Reader constantly resets settings. How to fix it?

This is due to a glitch in the configuration file. Solution:

  1. Go to Settings → Export/Import settings.
  2. Export the current settings to a file (just in case).
  3. Delete Cool Reader and install again.
  4. Import the saved settings.

If the problem persists, try an alternative reader, for example Moon+ Reader or FBReader.

Is it possible to read books offline after downloading?

Yes, that's it books downloaded from Cool Readerare saved on the device and are available without the Internet. To make sure that the file is downloaded:

  1. Open the file manager.
  2. Check the folder where the books are saved (usually CoolReader or Download).
  3. If the file is there but does not open, try restarting the phone.