# bobranten/Ext4Fsd

Ext4 file system driver for Windows

Repository: https://github.com/bobranten/Ext4Fsd
Canonical: https://ross.abutalabs.com/products/ext4fsd
Language: C
License Family: other
Last push: 2026-04-27T11:58:14+00:00

## Health v2 (maintenance only)
Score: 58/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 79, release rhythm 8, longevity 100
- inputs: {"age_days": 2418, "days_push": 128, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_license
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 2175, forks 116 (observed 2026-08-28T04:06:22.230143+00:00)

## What it is
A Windows kernel driver that enables reading and writing ext2/ext3/ext4 Linux file systems on Windows 10 and 11, forked from the Ext2Fsd project with added metadata checksum and jbd2 support. It includes a signed installer and a management application (Ext2Mgr) for viewing disks and partitions.

## Use cases
- read ext4 partitions from windows
- mount linux filesystem on windows 10/11
- access ext4 drive after dual-boot
- write to ext4 disk from windows
- view ext filesystem type of partitions
- recover files from linux partition on windows

## When to choose
- you need native kernel-level ext4 access on Windows 10/11 with a signed driver
- you want a maintained fork of Ext2Fsd with metadata checksum and jbd2 support
- you dual-boot Windows and Linux and need to read/write Linux partitions

## When to avoid
- you only need to read ext4 files occasionally and prefer a userspace tool like WSL2 mounts
- you need guaranteed support for the newest ext4 features, which may only exist in self-compiled git code
- you require a project with a formal open-source license

## Facets
- artifact type: library
- maturity: active
- function: file-system
- domain: files, windows, operating-systems
- platform: windows
- tags: ext4, filesystem-driver, kernel-driver, ext2fsd, linux-filesystems

## Member repositories
- bobranten/Ext4Fsd (main) score 58

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:06:22.230143+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T02:48:55.157544+00:00, confidence not recorded.
  - readme: https://github.com/bobranten/Ext4Fsd (fetched 2026-08-28T04:06:22.230143+00:00, sha 64edb99fb895)
- Data as of 2026-08-30T08:39:29.467469+00:00.