FlagshipBiblioFuse Reader
Native reader & library manager for personal e-book and comic collections.
- EPUB, PDF, CBZ, CBR, RAR, ZIP & TXT
- Tags, ratings, progress & bookmarks
- iCloud sync & live streaming from Mac or PC
Version 2.0.1 - native on iPhone, iPad & Mac
Your library,
read your way.
BiblioFuse is a native reader and library manager for personal ebook, comic, and document collections across iPhone, iPad, and Mac.
iPhoneiPadMacVision ProApple TVAndroid phoneAndroid tabletAndroid TVWindowsDockerSynology
Learn more →No adsNo trackingOn-device processing
App UI: English · Spanish · French · Dutch · Portuguese · Russian · Simplified Chinese · Japanese · Korean · Indonesian · Malay
Download from official sources only.BiblioFuse is exclusively distributed via Apple App Store, Google Play Store and Microsoft Store. Never download from unofficial websites.
ReadsEPUBPDFCBZCBRRARZIPTXT
iOS · macOS · Windows
Search. Tag. Own your library.
GrepTag Reader searches the actual text inside your EPUB and TXT files — no manual metadata, no ISBN entry. Type a keyword and every matching book surfaces instantly. Tag by genre, filter with AND logic, sync over Wi-Fi.
iPhoneiPadMacWindows
No manual metadata or ISBN neededNo server, no uploadsCJK text supported
App UI: English · Spanish · French · Dutch · Portuguese · Russian · Simplified Chinese · Japanese · Korean · Indonesian · Malay
Explore GrepTag Reader →
Why two apps?
Different libraries need different tools.
BiblioFuse Reader is built for large image-heavy comic files — stream from Mac or PC, compress in-app. GrepTag is built for small text files that fit entirely on device — grep, tag, sync any direction.
BiblioFuse Reader
GrepTag Reader
Best for
Comics, manga, PDF
EPUB, light novels, TXT
File size
50–300 MB per volume
Under 5 MB each
Storage design
Stream from Mac or PC · compress in-app
Store on device · sync any direction
Key features
Compress, merge, stream, auto-backup
Full-text grep, tags, TXT covers, Wi-Fi sync
Formats
CBZ, CBR, PDF, EPUB, TXT
EPUB, TXT
The BiblioFuse family
One ecosystem.
Tools for owning your files.
Built by Modern Logic Tech Solutions for readers and collectors who keep their library on their own devices - not behind someone else's login.
Flagship
FreeBiblioFuse Web Tool
Convert, merge and compress e-book files in your browser - no install, fully on-device.
- EPUB / PDF / CBZ / ZIP merge & convert
- Powered by WebAssembly - 100% private
- Works on any platform with a browser
Mac · WindowsComic Duplicate Scanner
Finds and removes duplicate comic book archives, photos, and files - even when renamed, recompressed, or saved in different folders.
- Perceptual hashing for CBZ/CBR/ZIP/RAR
- Smart auto-select & safe-delete to Trash
- Hash cache for fast repeat scans
- Available in 11 languages
iOS · Mac · WindowsSmartDecrypt PDF ZIP
Unlocks password-protected PDFs and archives using saved filename patterns.
- PDF, ZIP & 7z support
- Pattern match for recurring files
- Passwords stored in system Keychain
- Available in 11 languages
iOS OnlyContentCue
All-in-one browse, read, and listen app: RSS reader with audio briefings, podcast player, website text-to-speech, and iCloud sync.
- RSS reader with audio briefing of unread headlines
- Podcast player with offline downloads
- Website text-to-speech with background playback
- Available in 11 languages
iOS · Mac · WindowsGrepTag Reader
Full-text search, tagging, and organisation for EPUB and TXT libraries.
- Grep with AND / OR / NOT logic
- Tag by genre · auto-run on import
- Custom reader — themes, fonts & whole-book search
Get easy server setup for Kavita and Komga with the BiblioFuse QR Generator. Open the QR Generator →
Android demand list
Want another BiblioFuse app on Android?
Android releases need a 12-20 person closed test for 14 days. Tell us which app you want and whether you can stay active during the test.
Standalone tools
Focused tools for one-off jobs
BiblioFuse Web
Free · Browser
Compress and merge EPUB, CBZ, and PDF files in your browser. No install, no account.
Launch free tool
BiblioFuse CBZ Resizer
Windows · Microsoft Store
Compress and merge comic archives on Windows.
BiblioFuse EPUB Resizer
Windows · Microsoft Store
Compress and merge EPUB files on Windows.
FAQ
Choosing a BiblioFuse tool
Sister app · Mac & Windows
Find duplicate archives.
Even after renaming.
Comic Duplicate Scanner finds and removes duplicate comic book archives, photos, and files - even when they have been renamed, recompressed, or saved in different folders.
Comic archive scanningCBZ, CBR, ZIP and RAR using perceptual hashing.
Photo duplicate detectionJPG, PNG, HEIC, WEBP, BMP and GIF.
Smart auto-selectKeep largest, smallest, newest, oldest, or most pages.
Safe deletionMarked files move to system Trash only.
Free usage is available forever for scans up to 1,000 files. A 7-day trial unlocks full access, and a one-time purchase unlocks unlimited use with no subscription.
App UI: English · Spanish · French · Dutch · Portuguese · Russian · Simplified Chinese · Japanese · Korean · Indonesian · Malay
Learn more about Comic Duplicate Scanner →
Why BiblioFuse
Built on a few simple principles.
No ads
Enjoy uninterrupted reading without advertisements.
No tracking
We do not collect or sell your reading data.
Cloud sync
Sync your library across Apple devices with iCloud.
Smart compression
Reduce file size and save storage without leaving the app.
From the Blog
Tips & updates
Guides, release notes, and ideas for your reading life.
comparisonGuidekomgakavitaself-hosted
Komga vs Kavita vs BiblioFuse: Best CBZ, CBR & EPUB Reader Alternatives in 2026
Comparing the top self-hosted comic and ebook readers — Komga, Kavita, Calibre-Web, and Ubooquity — against BiblioFuse's connected app ecosystem. Pros, cons, and which one fits your setup.
Jul 26, 2026Read article
iosofflineGuideepub
Reading Ebooks Completely Offline on iPhone: No Cloud Required
BiblioFuse stores EPUB, CBZ, CBR, PDF, ZIP, RAR, and TXT files locally on your iPhone — read your entire library on planes, underground, or anywhere with no signal. No cloud subscription or account needed. iOS 17 or later.
Jun 28, 2026Read article
webGuideconversioncbrcbz
How to Convert CBR to CBZ Online: Free, No Software Required
The BiblioFuse Web Tool converts CBR (RAR-based) comic archives to CBZ (ZIP-based) format directly in your browser — no upload, no install, completely private. Drop in your file and download the converted CBZ in seconds.
Jun 28, 2026Read article
Start here
Your library. Your device. Your rules.
Start with the Reader. Add the utilities when you need them. Everything stays on-device.
Get BiblioFuse