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ExtendFS for Mac

Read-only access to Linux ext2/3/4 in macOS Sequoia and later without a kernel extension.

By kthchew. Free and open source.

Get it with OpenDMG View source on GitHub

ExtendFS at a glance

Version
1.2.1
Released
31 August 2026
Download size
2.8 MB
Works on
Apple silicon and Intel
Category
Utilities
Developer
kthchew
GitHub stars
87

About ExtendFS

A ext2, ext3 & ext4 file system driver for Mac to mount Linux disks with read-only access using FSKit

Screenshots

ExtendFS screenshot 1

How to install ExtendFS on a Mac

  1. Get OpenDMG. It is a free app store for open source Mac apps. Download OpenDMG.
  2. Search for ExtendFS and press Get. OpenDMG downloads version 1.2.1 from kthchew's own GitHub release.
  3. Open it. The download is checked against its SHA-256 fingerprint and its signature is checked on your Mac before it lands in Applications.

Updates to ExtendFS show up in OpenDMG and install with one button. No account is needed.

Prefer to do it by hand? The developer's file is on GitHub: ExtendFS.app.zip (2.8 MB).

What is new in ExtendFS 1.2.1

- Fix an issue where large and highly fragmented files might not be readable (#7).
- Internal improvements in preparation for changes coming in macOS 27.

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