Readbook - Text, Image Reader

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Contains ads

About this app

It is a large-capacity text file viewer + scanned image, pdf viewer. It also provides convenient explorer function and TTS function.

1. Convenient Explorer
- The list UI provides various filter functions, sorting functions, and also provides a filter function for words entered by the user.
- Folder/file name change and deletion functions are possible.
- Google/Naver review search of the file name of the selected item is possible with one click.
- Google Drive can be used.
- SD card can be used.
- File search function
- Preview thumbnail

2. User-friendly theme
- 12 preset themes are provided.
- Custom text color, background color, and font can be changed.
- Font size, line spacing, left and right margins, top margin, bottom margin can be changed.
- Spaces and line breaks are compensated to improve readability. - Incomplete text display is not possible
- Save and Load Theme Settings

3. Viewer
- Supports horizontal and vertical modes
- Page navigation
- Search text in documents

4. Control functions
- Move pages with volume keys
- Use screen scroll function
- Move pages with touch
- Prevent automatic screen off

5. TTS
- Change engine, change voice, change speed, change volume
- Provide notification UI
- Support timer function, skip hanja option

6. Scan Image Viewer
- Automatically selects split mode, 2-page mode.
- Provides dark, light, and clear filters.
- Provides dark theme.

7. Others
- Remember the last viewed file and location
- Recent file list function
- Bookmark function

For errors and inconveniences, please request through [Side menu > Send inquiry email] in the app.

[Permission description]
- File reading permission: Used to read files in all paths of the device.
- Access to all files: From OS 11, 'File reading permission' has been replaced with 'Access to all files' by Google policy.

Ratings and reviews

This gets 5 stars for being the 1st out of MANY that I have tried for the purpose of opening and searching a massive txt file quickly & efficiently. I've needed this functionality for ~20 yrs, & in spite of computers & sw supposedly getting better over time - finding an app that does this gets harder. I am thankful to the developer for supplying an app that is vastly better than the next best. I would pay to go ad free & more options for search (case sensitive at least) would be nice.

최근업데이트후 원래있던 open file menu가 사라졌어요 file info 위에있었는데. 의도된건지 제폰pixel8 만 이런건지 모르겠네요. 몇년째애용중입니다. 개발자님 감사합니다

업데이트는 무조건 해야되고 안하면 안열림 업데이트 할때마다 초기화됨 개불편 딴거쓰세요

What’s new

• Improvement: Date sorting option now applies to folders in the file explorer
• Improvement: Enhanced bottom bar UI layout for tablet devices
• Change: Removed the reset policy for the 'Previous' button on the bottom bar (page navigator)