Calibre is a complete e-book library manager. Organize your collection, convert your books to multiple formats, and sync with all of your devices. Let Calibre be your multi-tasking digital librarian.

Manage, convert, sync, and more

• Library management. Calibre keeps things orderly by creating single entries for books that contains multiple formats. Add tags and comments for better searchability.
• Format conversion. Calibre's robust conversion options support a wide variety of file formats.
• File syncing. Calibre's device drivers seamlessly support all the top e-readers and devices.

What's New:

Version 7.21.0:

New Features

• Edit book: A new tool to create an audio overlay in EPUB files for all text using the Read aloud facility
• Dark mode: make scrollbar more visible with higher contrast and rounded corners
• E-book viewer: In flow mode when scrolling across internal file boundaries using the mouse wheel/touchpad have a short half second pause to ease the transition. Can be controlled via the Scrolling section of the Viewer preferences.
• ebook-meta.exe: Add an option to disallow rendered cover of first page for EPUB
• Book details: Add an action to download the cover to the context menu when right clicking the cover
• Read aloud: Add a restore defaults button to the configuration dialog
• Auto adding: Allow excluding arbitrary file types not just known book file types
• Edit metadata dialog: Add an action to open the book's folder to the context menu of the formats list

Bug Fixes

• Read aloud: Fix only first 32000 characters per chapter being read
• Content server: Read aloud: Fix clicking on a word to skip reading aloud to that word causing word highlighting to stop working
• Linux: Handle speech dispatcher with dummy output module and no voices more gracefully
• When renaming authors fix empty author folder not being removed if it contained file explorer metadata but was otherwise empty
• Edit metadata dialog: Fix keyboard shortcuts to edit prev/next raising an error when trying to go beyond the first/last book
• Linux: ToC Editor: Fix a regression in 7.17 that broke using the Create new entry button
• Content server: Fix changing the language of a book not working for non-English user interface language and for books that have no existing language
• Linux: Read aloud with Piper: Fix audio not playing on some Linux systems
• Notes browser: When searching books search over all currently selected categories not just the last selected one

Screenshots:

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