Bubble2 app
Bubble2 is Reading tool that is open source under the GPL-3.0-only license.Bubble2 is an Android comic book reader/Image archive viewer. Simple yet comfy. Open PDF, RAR, ZIP, 7Z, TAR files. Display BMP, JPG, GIF, PNG, WebP and JP2/J2K images.
Features:
- Optimized for tablets
- Supports CBZ/ZIP, CBR/RAR, 7Z/CB7, PDF and FOLDER comics
- TAR/CBT and Brotli/Bzip2/Gzip/LZMA/XZ/Zstd compressed TAR files are supported too
- Display BMP, JPG, GIF, PNG, WebP and JP2/J2K image files in archives/from folders
- Advanced zoom and scaling modes
- Comics/Manga reading mode
- Library with automatic bookmarks
- Simple file browser
- Best served on Android 8.0(Oreo) or later
- Still runs on Android 4.1(Jelly Bean)+ (no PDF, Brotli, XZ, Zstd support though)
- Free, open-source, no ads, gluten-free