Obsidian Ebook Reader Premium

Simply your library. Designed for privacy. Obsidian is a Windows ebook reader built around library management and privacy. Point it at your folders, organize EPUBs and PDFs, and read entirely offline — with no accounts, ads, or telemetry.

Built for your library and your privacy
Organize books from your own folders, keep everything on your machine, and read without handing data to anyone else.

Add books your way
Import one file at a time, pull in a whole folder, include nested subfolders, or set up folder sync so your library stays up to date automatically.

– Add File — single EPUB or PDF
– Add Folder — bulk import
– Include Subfolders
– Sync Folders — auto-scanned directories

Edit book metadata
Fix titles, authors, and cover art after import so large collections stay organized. Premium lets you curate every detail of your shelf.

– Edit title and author
– Replace cover images
– Reset to defaults when needed

Browse and organize at a glance
See covers, titles, authors, and formats in a sortable list. Mark favorites, switch views, and manage growing collections without losing track of a single book.

– Sort and filter your collection
– List and grid-style browsing
– Light and dark interface themes

Typography and layout controls
Open the styling panel while you read to adjust fonts, spacing, and margins. Dial in a comfortable layout for long sessions on any screen.

– Font family and size
– Line, word, and letter spacing
– Margin presets and page layoutRelease Notes

System Requirements
Windows 10 version 14316.0 or higher