This is an app that allows you to open text files, comic files, compressed files, PDF, epub files stored on your Android phone or web server and view them as if they were books.
It does not provide content (novel/manga files) by default. ※ Only Google Play Protect-certified devices are supported.
The main features are as follows.
1. text viewer
- Support TXT, CSV, SMI, SUB, SRT - Support EPUB, MOBI, AZW, AZW3 (text and picture display), built-in font support - Open compressed text (ZIP, RAR, 7Z, ALZ/EGG) directly - Change fonts (calligraphy / serif), adjust size/spacing/margins - Modify character encoding (Auto/EUC-KR/UTF-8,...) - Change text/background color/background image - Page turning method: arrow/screen tap/screen drag/volume button - Flip effect (animation) : roll over, slide, swipe, scroll - Quick navigation: navigation bar, dial, page input - Add/rename/sort/lookup bookmarks - Reading: language selection, speed control, special characters/kanji exclusion - Slideshow support: adjustable speed - Search text: one by one, search all - Edit text: edit, add new file - Text alignment: left, justified, 2-sheet horizontal view - Quick brightness - Sentence organization, file division (long tap on file name)
2. STYLE VIEWER (EPUB VIEWER, EBOOK READER) - Support epub, mobi, azw, azw3 - Display text/picture/table/style - Support built-in font - Show and move to hyperlinks - Quick Navigation: navigation bar, dial, input page no. - Add/rename/align/lookup bookmarks - Search Text: Search All/Files Full
3. comic viewer
- Support JPG, PNG, GIF, BMP, WEBP, TIFF, HEIC, AVIF, ZIP, RAR, 7Z, CBZ, CBR, CB7, ALZ/EGG, PDF files - Open compressed pictures (ZIP, RAR, 7Z, ALZ/EGG) directly - Support zip streaming - Support double compression - PDF support: zoom up to 8x and sharpen option when zooming in - Left-right order/shuffle: left -> right, right->left (Japanese style), landscape 2-page view - Zoom in-out, magnify - Page turn method: arrow/scroll tab/scroll drag/volume button - Flip effect (animation): left/right scroll, up/down scroll, webtoon scroll Webtoon scroll can smoothly scroll very long pictures. - Quick navigation: navigation bar, dial, page input - Add/rename/sort/lookup bookmarks - Slideshow support: set in seconds - Keep picture zoomed in - Support moving gif/webp/avif - Picture rotation support (manual rotation, JPEG/webp auto-rotation) - Double filter(inversion, sepia, ...) - Crop edge
4. file function
- Reading history color display: red (recent), green (partially read), blue (fully read) - Preview: Tiled(Large, Small), Detail - Select file extension - Sort: Name, Size, Date - Support delete (multiple) - Support rename, copy, move - Search: name, content, picture - Uncompress file manually - Support read/write of USB storage(FAT32,NTFS,exFAT)
5. other
- Theme/Color - Support language selection (Korean, Chinese, Japanese, English) - Support Auto Sync. of reading history - Support SFTP (secure file transport protocol) - Support FTP (file transport protocol) - Support SMB (Windows Shared Folder, Samba) - Support WebDAV - Support Google Drive - Support Dropbox - Support MS OneDrive - Password lock - Support S-pen of Note 9 and above: page flip, slideshow pause - Headset button support: Pause slideshow - Media button (Bluetooth earphone, etc.) support: Pause reading - Backup/restore settings (Maru, Ara compatible) - Shortcut management (e.g. add/delete NAVER NDrive app shortcut)
Permission information - Storage space (required): Read content or modify files
Paid for free
Help & FAQ
Is HappyMod App on HappyMod.work works better than other site?
Yes, the HappyMod on HappyMod.work has no ads with faster download spped. All the Mod APKs keep updating.
What is XAPK? How to install?
XAPK is a package format that combines APK and extra data files. Download and and install HappyMod App to install it.
The download link is broken!
Try refreshing the page, switching your network connection, or selecting an alternative mirror. If the issue persists, please submit a report so we can update the link as soon as possible.
What causes mods not to work properly?
Common causes include version mismatches, unsupported device architecture, or missing system permissions. To ensure stability, always match the mod to your specific game version and perform a clean installation.
How to fix the "App not installed" error?
Uninstall any conflicting builds of the app, clear your installer's cache, and ensure you have sufficient internal storage. Once cleared, retry the installation using the original installer package.
How to update mods without losing data?
If the digital signatures match, you can simply install the update directly over the existing app. However, it is highly recommended to back up your game files before upgrading to prevent any accidental data loss.
Data Safety
Safety starts with understanding how developers collect and share your data.
No data shared with third parties
This app may collect these data types: Location, Personal info, and 3 others