convertlit ☆

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Description:
Convert Microsoft Reader format eBooks into open format

Type: Formula | Latest Version: 1.8@0 | Tracked Since: Dec 17, 2025

Links: Homepage | formulae.brew.sh

Category: Productivity

Tags: ebook conversion microsoft-reader lit drm

Install: brew install convertlit

About:
ConvertLit is a command-line utility designed to decrypt and convert eBooks from the proprietary Microsoft Reader (.lit) format into open, more accessible formats. It effectively liberates purchased content from DRM restrictions, allowing users to read their books on a wider variety of devices and applications. The tool leverages the libtommath library for handling the mathematical operations required for the decryption process.

Key Features:

Decrypts Microsoft Reader .lit files
Converts to open formats for wider compatibility
Command-line interface for scripting and automation
Relies on the robust libtommath library for cryptographic functions

Use Cases:

Migrating a personal library of Microsoft Reader books to a modern e-reader
Backing up and converting purchased eBooks to a DRM-free format
Automating the conversion of .lit files as part of a digital library management script

Alternatives:

Calibre – Calibre is a full-featured GUI-based e-book management suite that can also convert .lit files, but ConvertLit is a lightweight, command-line-only alternative focused solely on this conversion task.

License: GPL-2.0-or-later

Dependencies: libtommath

Bottles available for: arm64_tahoe, arm64_sequoia, arm64_sonoma, arm64_ventura, sonoma, ventura, arm64_linux, x86_64_linux

Version History

Detected	Version	Rev	Change	Commit
Sep 14, 2025 2:34am	1.8	0	VERSION_BUMP	bd9e4914
Dec 23, 2024 5:08am	1.8	0	VERSION_BUMP	09327463