Valpr ReaderDocumentation & User Guide

An enhanced, browser-based Japanese e-book reader with cloud sync, auto-bookmarking, and multi-device profiles.

📱

Multi-Device Profiles

Sane? default profiles for Desktop, Mobile, Tablet, and E-Ink devices with tailored typography, margins, and gesture physics.

☁️

Cloud Sync Improvements

Less intrusive background synchronization syncs with Google Drive and OneDrive, including progress, statistics, goals, and reader setting profiles. In Reading Mode, nothing interrupts reading, sync when you're ready.

📊

Reading Telemetry & Lookback

Track active reading time, speed (cpm), hourly habits, and Yomitan/JPDB lookup density with rich Lookback recaps.

📖

Simplified Catalog

See all your books in one view instead of needing to switch between various sources

🛡️

Rolling Checkpoints/Multiple Bookmarks

Non-destructive autosaves and rolling position checkpoints to safeguard previous reading place during rapid scrolling. You can customize and name bookmarks in your books.

🐛

Bug fixes for common bugs

Fixes for features on the original ttsu fork.