monolingual ☆

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Description:
Utility to remove unnecessary language resources from the system

Type: Cask | Latest Version: 1.8.2@0 | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: System utilities

Tags: macos system-utility cleanup localization storage

Install: brew install --cask monolingual

About:
Monolingual is a system utility designed to reclaim disk space by removing unused language files and localization resources from macOS applications and the operating system itself. It scans for internationalization files (like .lproj folders) that are not needed for your primary language, allowing you to safely delete them. This process can free up hundreds of megabytes of storage, which is especially valuable on systems with limited SSD capacity.

Key Features:

Scans and removes unused language resources from the system and applications
Supports multi-language selection to keep desired localizations while removing others
Provides a backup option to restore removed files if needed
Targets both system components and third-party applications

Use Cases:

Freeing up disk space on Macs with small SSDs
Removing bloat from a macOS installation by deleting unneeded localizations
Optimizing system performance by reducing the number of indexed files

Alternatives:

CleanMyMac X – A comprehensive commercial utility with broader cleaning features, but Monolingual is free and focused specifically on language file removal.
Monolingual (Legacy) – The original open-source project; this cask provides the maintained fork with modern macOS compatibility.

Version History

Detected	Version	Rev	Change	Commit
Sep 15, 2025 12:27pm	1.8.2	0	VERSION_BUMP	3dc98e6d
Jul 27, 2024 1:47pm	1.7.3	0	VERSION_BUMP	12806807