firefox

Firefox Developer Edition

[TOC]

Installation

Setup

Firefox Profile

• Profiles Path: APPDATA%\Mozilla\Firefox\Profiles - Link
  • Developer Profile: gu64ib7f.dev-edition-default

Working with profiles

• Profile Manager - Create, remove or switch Firefox profiles explains how to do things like, create a new profile, set a new default profile, and delete an old profile.
• Recover user data missing after Firefox update explains how to use the Profile Manager to switch profiles, if multiple profiles exist.
• Back up and restore information in Firefox profiles explains how to back up and restore a profile. It also explains how to move your profile information to a different location on your hard drive or to another computer.
• Recovering important data from an old profile explains how to copy files to a new profile and includes a list of files that store information useful for recovery.

Information Stored in Profile

Source: http://mzl.la/1BAQULj

Note: This is not a complete list. Only important information is described.

Bookmarks, Downloads and Browsing History:

• places.sqlite:
  • This file contains all your Firefox bookmarks and lists of all the files you've downloaded and websites you’ve visited.
• bookmarkbackups:
  • This folder stores bookmark backup files, which can be used to restore your bookmarks.
• favicons.sqlite:
  • This file contains all of the favicons for your Firefox bookmarks.

For more information, see Bookmarks in Firefox and Restore bookmarks from backup or move them to another computer.

Passwords

• Your passwords are stored in these two files:
  • key4.db
  • logins.json

For more information, see Password Manager - Remember, delete and edit logins and passwords in Firefox.

Site-specific preferences

• permissions.sqlite
• content-prefs.sqlite

These two files store many of your Firefox permissions (for instance, which sites are allowed to display popups) or zoom levels that are set on a site-by-site basis (see Font size and zoom - increase the size of web pages).

Search engines

• search.json.mozlz4
  • This file stores user-installed search engines. For more information, see Add or remove a search engine in Firefox.
  • NOTE: I manage my search engines through the browser extension firefox-search-engines-helper which allows me to export/import the engines as pure JSON as opposed to the .json.mozlz4 Mozilla specific format.
    • See my custom search engines here: all-browser-engines.json
    • For more information navigate to the search directory

Personal Dictionary

• persdict.dat:
  • This file stores any custom words you have added to Firefox's dictionary. For more information, see How do I use the Firefox spell checker?.

Autocomplete History

• formhistory.sqlite:
  • This file remembers what you have searched for in the Firefox search bar and what information you’ve entered into forms on websites. For more information, see Control whether Firefox automatically fills in forms.

Cookies

• cookies.sqlite:
  • A cookie is a bit of information stored on your computer by a website you’ve visited. Usually, this is something like your site preferences or login status. Cookies are all stored in this file.

DOM Storage

DOM Storage is designed to provide a larger, more secure, and easier-to-use alternative to storing information in cookies.

• webappsstore.sqlite:

  • Information is stored in this file for websites

• chromeappsstore.sqlite:

  • This file stores information for about:* pages.

Extensions

• extensions/:

  • This folder, if it exists, stores files for any extensions you have installed. To learn more about Firefox extensions and other add-ons, see Find and install add-ons to add features to Firefox.

Security Certificate Settings

• cert9.db:
  • This file stores all your security certificate settings and any SSL certificates you have imported into Firefox.

Security Device Settings

• pkcs11.txt:
  • This file stores security module configuration.

Download Actions

• handlers.json:
  • This file stores your preferences that tell Firefox what to do when it comes across a particular type of file.
    • For example, these are the settings that tell Firefox to open a PDF file with Acrobat Reader when you click on it. For more information, see Change what Firefox does when you click on or download a file.

Stored Session

• sessionstore.jsonlz4:
  • This file stores the currently open tabs and windows.
    • For more information, see Restore previous session - Configure when Firefox shows your most recent tabs and windows.

Toolbar Customizations:

• xulstore.json:
  • This file stores toolbar and window size/position settings.
    • For more information, see Customize Firefox controls, buttons and toolbars.

User Preferences

• prefs.js:
  • This file stores customized user preference settings, such as changes you make in Firefox Settings dialogs.
  • NOTE: The optional user.js file, if one exists, will override any modified preferences.

Containers

• containers.json:
  • This file stores the details of containers used by the Container Tabs feature, including those created by extensions such as Facebook Container.

---

Reference: Where Firefox Stores Profile User Data