The File Extensions Database


.JFFS2 File Extension

  • Developer by: Various Linux developers
  • Category: Disk image (ISO) binary Files

What is an .JFFS2 file?

.JFFS2 is Journalling Flash File System 2 disk image

The jffs2 file extension is mainly associated with the disk images that are using Journalling Flash File System 2.

Journalling Flash File System 2 is log-structured file system.

Journalling Flash File System 2 is used for devices, which use Linux operating system installed in flash memory (for example smart mobile phones with Google Android).

JFFS2 is the successor to Journalling Flash File System, that was developed by Axis Communications JFFS2 was developed by Red Hat. JFFS2 is used in Linux from kernel 2.4.10.


How to open:

Use Linux to work with *.jffs2 disk images.

How to convert:

As far as we know, this .jffs2 file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

How to solve problems with JFFS2 files

  • Associate the JFFS2 file extension with the correct application. On :
    Windows: Right click on any JFFS2 file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.JFFS2 files". Mac: Right click (or Ctrl-click) the JFFS2 file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .JFFS2 is Journalling Flash File System 2 disk image. Because only the current version supports the latest JFFS2 file format. Search, therefore, e.g. on the Various Linux developers manufacturer website after an available .JFFS2 is Journalling Flash File System 2 disk image update.
  • To make sure that your JFFS2 file is not corrupted or virus-infected, get the file again and scan it with antivirus software.