A sleek, offline-first, privacy-focused document and e-book reader designed for deep focus across all your devices.
Episteme Reader
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Chapter 01
Episteme keeps reading local-first. Import files, sync chosen folders, organize shelves, and keep progress close to the library you already own.
Chapter 02
The format list is grouped clearly so users can tell what is for reading, comics, documents, or view-only inspection.
PDF, DOCX, ODT/FODT
EPUB, MOBI, AZW3, FB2, MD, HTML, TXT
CBZ, CBR, CB7
CSV, TSV, JSON, XML, Logs, Code files
Chapter 03
Switch between paginated reading and vertical scroll, use PDF reflow where it fits, and keep multiple PDF tabs open for study.
Auto-scroll, musician mode, and system TTS help when hands or eyes need a break.
Chapter 04
Ink toolsPen, highlighter, erase, and mark up PDFs directly.
HighlightsSave important passages without breaking reading flow.
Notes and commentsAttach quick thoughts or longer context to the page or sentence.
Chapter 05
App themesLight, dark, custom, and more interface styles.
Page themesSepia, OLED, Slate, Custom, and textured reading surfaces.
TypographyLocal fonts, spacing, margins, and size controls.
Chapter 06
Core reading stays local. Cloud and AI features are optional, edition-dependent, and used only when you choose them.
StandardServer-backed AI, recap, dictionary, summarization, and cloud TTS where available.
OSSBring-your-own-key support for compatible AI or cloud TTS providers.
OfflineNetwork-backed tools are excluded so reading stays local.
Chapter 07
StandardFull-featured Play Store release.
OSSOpen-source Android build for GitHub and F-Droid users.
OSS OfflineNetwork permissions removed.
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