Files with mozlz4 extension can be exclusively found as part of Firefox web browser.

Detailed description

Software that open mozlz4 file

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MOZLZ4 file extension - Mozilla compressed data

What is mozlz4 file? How to open mozlz4 files?

File type specification:

Various data file type icon Various data file type

File extension mozlz4 is associated with the Firefox, a web browsing tool for Microsoft Windows, Linux and Apple Mac OS X (macOS) operating systems.

A typical .mozlz4 file stores compressed data used by Mozilla's "mozLz4" format.

Updated: November 15, 2023

The default software associated to open mozlz4 file:

Firefox icon

Mozilla Corporation logoFirefox  Microsoft Windows software

Company or developer:
Mozilla Corporation

Firefox is very popular free open source web browser with many features. Firefox uses Gecko layout engine that implements most web standards including new HTML5.

Firefox supports tabbed browsing, private browsing, spell checking, incremental find, bookmarking etc. Other features can be added via extensions and add-ons, such as NoScript, Tab Mix Plus. FoxyTunes, Web Developer.

Help how to open:

There is mozlz4a python script, which allows you to decompress .mozlz4 files.

How to convert:

It doesn't seem likely to convert this file type to something else.

List of recommended software applications associated to the .mozlz4 file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open mozlz4 file, edit mozlz4 file, convert mozlz4 file, view mozlz4 file, play mozlz4 file etc. (if exist software for corresponding action in's database).

Unspecified and all other actions for computer programs working with mozlz4 file - Mozilla compressed data

Click on the software link(s) for more information. Suggested software applications use mozlz4 file type for internal purposes and/or also by different way than common edit or open mozlz4 file actions.

Microsoft Windows:

Main software associated with mozlz4 file by default:
Firefox small icon Firefox
Other suggested software:
SeaMonkey small icon SeaMonkey

Apple macOS / Mac OS X:

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