About this app

EasyViewer provides two types, an ad version that provides all functions and an ad-free version with some function limitations.


💎 Features

✔️ File sync support
You can view the file in the same read position on different devices.
It supports almost all type such as Google Drive, Dropbox, OneDrive, FTP, SFTP, etc.
Look at it comfortably on your smartphone when you go out and on your tablet at home.
(This feature is supported by CherieViewer.)

✔️ OPDS (network library) support
Numerous network libraries around the world are at your fingertips.

✔️ Support EPUB⇒Text, PDF⇒JPG conversion
Convert epub, pdf files to text and image files.
Supports the option to zip the converted files to minimize wasted space.
(This feature is supported by CherieViewer.)

✔️ Support forced line break document conversion function
Converts forced line-break text to make it easier to read.
It also supports various functions such as removing whitespace, arranging paragraphs, etc.

✔️ Support title list feature
Even documents without a table of contents can conveniently use the table of contents with simple settings.

✔️ Everything is automatic.
The image is automatically detected and divided into 1 or 2 sheets, or displayed in webtoon mode.
There is no inconvenience to constantly change the split mode according to the image.

✔️ One touch run
There is no need to touch several times to change a specific function or setting.
It is convenient to be able to operate function with minimal touch.

✔️ Full support of e-books
E-books (EPUB, MOBI, FB2, Amazon Kindle(AZW,AZW3,AZW4), CBZ, CBR) can be read immediately, and two pages on a screen like a paper book are convenient.
Not only the text but also the image is displayed properly.

✔️ FTP, SFTP, SMB, Dropbox, OneDrive, Google Drive, WebDAV supported

✔️ Supports unlimited multiple compressed files (zip、7z、rar、arj、cbz、cbr、tar)
Supports compressed files in compressed files, so you can view documents and images without extracting the compressed files.
Also, it provides more convenient by providing folder view function to navigate inside compressed file.


📚 text viewer
- Supports 2-stage split output
(Shows 2 pages per screen like a paper book)
- Text to Speech support (TTS)
- Furigana (Ruby) support
- Vertical writing support
It supports vertical writing used in Chinese characters/Japanese books.
- Comment/hyperlink support
Supports comments/hyperlinks in e-books, so you can conveniently view the contents of comments by touching the comments.
- E-book support (EPUB, MOBI, FB2, Amazon Kindle(AZW,AZW3,AZW4), CBZ, CBR)
- Adjust font/size/line spacing/character spacing/left/right margin/upper and lower margins

🌄 Image Viewer
- Animated GIF support
- Support various image formats (webp, TIFF, PDF, HEIC, HEIF, SVG, ico, jpg, png, bmp, gif, pic, zip, 7z, cbz)
- Split, Auto Split, View Direction (Left-> Right, Right-> Left)
  When set to Auto Split, the image is automatically detected and divided into 1 or 2 images.
- Webtoon View Support: You can conveniently view long vertical images.
- Support various effects (Inverse/Mono/Sepia/Sharp/Bold/Dark/Bright)

💎 Other features
- Google Drive, Google Team Drive, Shared Drive support
- Bluetooth devices support
- Create a shortcut icon on the home screen
- PDF to JPEG converter

* Permissions explained
- Access all files - Browse files and folders (required)
- Storage - View text/image files (required)
- Phone (state) - Used during TTS playback (optional)
- Bluetooth - Control the viewer function with the Bluetooth headset button (optional)
- Contacts - Permissions required by OneDrive/Google Drive (optional)

* Etc
- EasyViewer PC version can be downloaded from http://ezne.tistory.com/301.
- If you have any inconvenience or improvement while using it, please leave a comment at http://ezne.tistory.com.

New features

- Fix sync error (Thanks to YJ Cho)
- Text viewer
Add [Fill last page] option
Fix epub parser
Fix file seed generation logic
Fix obfuscated EPUB processing algorithm
Fix word wrap

* Change log
- Fix Open with other app (Thanks to redtogoii)
- Add [Show unsupported file formats] option (Thanks to redtogoii)
Open the file with other apps.
- Improved similar image recognition algorithm
Duplicate images can be managed.
- Add simple text edit

App Permissions

Allows an application to read from external storage.
Allows an application to write to external storage.
Allows applications to open network sockets.
Allows applications to access information about networks.
Allows applications to access information about Wi-Fi networks.
Allows using PowerManager WakeLocks to keep processor from sleeping or screen from dimming.
Permission an application must hold in order to use ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS.
Marker permission for applications that wish to access notification policy.
Allows an application to receive the ACTION_BOOT_COMPLETED that is broadcast after the system finishes booting.
Allows applications to set the wallpaper.
Allows applications to connect to paired bluetooth devices.
Allows applications to discover and pair bluetooth devices.
Allows access to the vibrator.
Allows read only access to phone state, including the phone number of the device, current cellular network information, the status of any ongoing calls, and a list of any PhoneAccounts registered on the device.
Allows access to the list of accounts in the Accounts Service.
Allows an app to use fingerprint hardware.
Allows applications to perform I/O operations over NFC.