Supports EPUB, PDF, TXT, and FB2 with zero-upload local preview. MOBI/AZW files get conversion guidance.
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EPUB / PDF / TXT / FB2 / MOBI
Open and read EPUB books with smooth navigation, chapter list and customizable fonts.
View PDF documents online with zoom, page navigation and fullscreen mode.
Detect MOBI and AZW files and guide them toward EPUB for the full reading experience.
Read plain text files with adjustable font size, day/night mode and word wrap.
Upload from one entry point, detect the format, and open the right previewer.
Open and read immediately. Full support for EPUB, PDF, MOBI, TXT, FB2, and other document formats in a single unified interface.
All reading data is saved locally on your device via IndexedDB. Absolute privacy, lightning-fast offline startup.
Built-in AI helper for page summaries, key points extraction, definition queries, and in-line explanations.
This chapter introduces offline layout optimizations and highlights the integration of AI tools for extracting key concepts...
A comprehensive document suite with future tools for converter tools, metadata editor, and text extractor.
