libyal/libfsapfs

Library and tools to access the Apple File System (APFS)

C

429

224 commits

updated Oct 10, 2026

See the code

README

libfsapfs is a library to access the Apple File System (APFS).

Project information:

* Status: experimental
* Licence: LGPL-3.0-or-later

Read-only supported APFS formats:

* version 2

Supported APFS format features:

* decmpfs compression
  * LZFSE (compresssion methods 11 and 12)
  * LZVN (compresssion methods 7 and 8)
  * raw (compresssion methods 9 and 10)
  * ZLIB (compresssion methods 3 and 4)
* encryption
* extended attributes

Unsupported APFS format features:

* APFS version 1
* Fusion drive (NX_INCOMPAT_FUSION)
* snapshots
* T2 encryption
* decmpfs compression
  * "uncompressed" (compression methods 1)
  * LZBitmap (compression methods 13 and 14)

For more information see:

* Project documentation: https://github.com/libyal/libfsapfs/wiki/Home
* How to build from source: https://github.com/libyal/libfsapfs/wiki/Building

Not written in Markdown, so it's shown here as plain text — view it formatted on GitHub.

libyal/libfsapfs

Library and tools to access the Apple File System (APFS)

C

429

224 commits

updated Oct 10, 2026

See the code

README

libfsapfs is a library to access the Apple File System (APFS).

Project information:

* Status: experimental
* Licence: LGPL-3.0-or-later

Read-only supported APFS formats:

* version 2

Supported APFS format features:

* decmpfs compression
  * LZFSE (compresssion methods 11 and 12)
  * LZVN (compresssion methods 7 and 8)
  * raw (compresssion methods 9 and 10)
  * ZLIB (compresssion methods 3 and 4)
* encryption
* extended attributes

Unsupported APFS format features:

* APFS version 1
* Fusion drive (NX_INCOMPAT_FUSION)
* snapshots
* T2 encryption
* decmpfs compression
  * "uncompressed" (compression methods 1)
  * LZBitmap (compression methods 13 and 14)

For more information see:

* Project documentation: https://github.com/libyal/libfsapfs/wiki/Home
* How to build from source: https://github.com/libyal/libfsapfs/wiki/Building

Not written in Markdown, so it's shown here as plain text — view it formatted on GitHub.

Project health

Overall

6.0/10

Maintained

10/10

Code review

0/10
OpenSSF Scorecard

Significant stargazers

Elan Ruusamäe

194 followers · starred Aug 2021

Daniël de Kok

548 followers · starred Apr 2020

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313 followers · starred May 2020

lassik

120 followers · starred May 2022