Firefox setup

Mozilla Firefox is the second most popular browser in the world. This is facilitated not only by its powerful functionality, but also by the wide possibilities of its customization with the help of numerous extensions. When using Firefox, the user can create his own browser with the necessary capabilities for it. This not only makes working with Firefox easier, but frees up browser space and resources from unnecessary features.
How to use multiple firefox profiles at the same time
How to set up geolocation in Mozilla Firefox
How to set up a proxy in Firefox
How to disable certificate verification in Firefox
How to disable pop-up blocker in Firefox
How to make Firefox tabs like in Chrome
How to open a new tab next to the current one in Firefox

How to use multiple firefox profiles at the same time

Mozilla Firefox browser allows you to create multiple users and work with them simultaneously or in turn. Each user will have their own settings, their own visit history, their bookmarks, and so on.
In order to create a profile in Firefox, you need to log into the profile manager. Before calling this function, you must close Firefox, otherwise the profile manager may not open. In order to close the browser, it is not enough just to click on the cross in the upper right corner of it. Go to the browser menu and select “Exit”. How to close firefox
In order to create a user in Firefox, you need to perform the following steps.

  1. Click the “Start” button on your computer and select the “Run” section.
  2. In the window that appears, type the command: “firefox.exe –p” and click “OK”.
  3. In the profile manager that opens, you can not only create a new user, but also rename the user or delete it.
  4. To create a new user, click the “Create Profile” button. Create Firefox User
  5. In the “Welcome to the Create Profile Wizard” that opens, click the “Next” button.
  6. In the next window, enter the name of the profile and select the folder where its settings will be stored. If you save the settings in the folder you created, and not in the default folder, remember that when you delete a profile, the contents of the entire folder will also be deleted. Firefox profile
  7. Click “Finish”.
  8. If you leave the “Use the selected profile without asking at startup” option checked, the profile you selected will be launched each time the browser starts. If you want Firefox to ask each time at startup what user to download, right-click on the browser’s shortcut and open its properties.
  9. In the “Object” line, add the –p option to the end of the text. Click “OK” and save the changes. Firefox Profile Request

Now every time you start this browser, a window will appear to select the desired profile.Select Firefox profile

How to set up geolocation in Mozilla Firefox

Geolocation allows you to determine the location of the user. This is necessary so that when visiting sites, people receive the most accurate information, taking into account where they are at the moment. Geolocation can be configured for individual sites, and for all sites that open in Mozilla Firefox.

Setting up geolocation for individual sites is not difficult, because when you open them, a small window appears asking whether you allow access to your location. If you click on the “Allow” button, the site will track your location and provide information on the region or city in which you are located.

If you want any sites to have access to your location, enter “about:config” in the address bar of your browser. In the window that opens, agree that you are aware of the danger of changing the browser configuration settings and agree to the risk.

In the search bar, type “geo.enabled”. Geolocation Firefox
If this parameter is set to “true”, then geolocation is enabled for any sites. If this parameter is set to “false”, no site can access your location without your permission.

To change the value of the geo.enabled setting to “true” or “false”, double-click on the line with this parameter. Enable Firefox Geolocation
You can do it in a different way. Right-click on the line with this parameter and select “Toggle”.

How to set up a proxy in Firefox

There are cases when, when visiting certain sites, it is necessary to ensure that the user’s IP address cannot be determined. This can be implemented using proxy servers. The Mozilla Firefox browser provides ample opportunities for connecting various kinds of proxy servers using the internal browser settings.

Before setting up a proxy, you need to clean the cookies in the Firefox browser. In this case, it is necessary to take into account that when deleting cookies, the settings for authorization on all sites are reset. Thus, the usernames and passwords requested when visiting some sites will have to be re-entered. Cookies must be deleted so that the information stored in cookies cannot be transferred to the proxy server. That is, to maintain confidentiality.

In addition, it is recommended to find out your IP-address, if, you do not yet know it. This can be done with the help of various online services that can be found on the Internet. Knowing your IP address will allow you to verify that your proxy settings are correct.

  1. Open the Firefox browser settings menu. Go to the section “Privacy & Security” and in the block “Cookies and Site Data” click “Clear data”. Delete cookies Firefox
  2. Open the “General” section and find the “Network Settings” block. Click the “Settings” button. Configure Firefox Proxy
  3. Check the option “Manual proxy configuration” and write down the IP address of the selected proxy server and port. Proxy server in Firefox
  4. Click “OK”

From this point on, the browser will be configured to use a proxy server. To check the correctness of the settings, you can look at your IP address obtained through a proxy and compare it with what was obtained before connecting the proxy server. They must be different.

If you need to disable the proxy server later, in the same connection settings window, select the “No Proxy” option.

How to disable certificate verification in Firefox

Verification of site certificates by the browser is performed to ensure the security of the connection. As a rule, blocking the connection to the site, which has problems with the certificate, is really reasonable. For example, blocking can be made due to the presence of viruses on the site. But, if you have been working with a site for a long time and completely trust it, and it has problems with the certificate, you can disable authentication. It is done this way.

  1. Go to your browser settings and open the section “Privacy & Security.” Find the “Certificates” block there.Firefox Certificates
  2. Click on “View Certificates” and in the window that opens, go to the “Servers” tab.Disable certificate verification in Firefox
  3. Click on the “Add Exception” button and in the window that appears, specify the address of the site that caused the certificate problem. Click “Confirm Security Exception”.

Now when downloading this site, there will be no message about problems with the certificate.

How to disable pop-up blocker in Firefox

Pop-up windows are annoying and can spread viruses or advertisements, so most often they have to be blocked in different ways. Mozilla Firefox has a pop-up blocker, and by default, these windows do not open with the browser.
If for some reason you need to disable this blocking on any site, you should add this site to the exceptions.

  1. In the Firefox browser settings, open the “Privacy & Security” section and find the “Permissions” block. Among them, find the “Block Pop-ups” option.Block pop-ups
  2. Click on the “Exceptions” button.
  3. In the window that opens, enter the address of the site for which you want to allow pop-up windows. Click the “Allow” button. Then click “Save Changes.” Allow popups

If it becomes necessary to re-enable the blocking of pop-up windows on this site, in the same window, click on the line with the site and click the “Remove Website” button.

How to make Firefox tabs like in Chrome

Many, probably, noticed that when opening a large number of tabs in Google Chrome, their size becomes smaller as their number increases. This is very convenient because you do not need to scroll through the browser window to find the desired tab. In Mozilla Firefox, the minimum width of open tabs is quite large, and is usually 100px. As a result, a large number of open tabs go far beyond the borders of the browser.

How to make tabs in Firefox the same as in Google Chrome? This can be done on the browser configuration page. To do this, open a browser and in the address bar enter the command “about:config”, after which a warning will appear that changing the browser configuration is not safe. If you are determined to change the size of the tabs, click the button that you agree to this risk. Firefox configuration change
As a result of these actions, a list of browser configuration settings will open. Find the parameter “browser.tabs.tabMinWidth”, which determines the minimum width of an open tab. Change the width of the tabs Firefox In order to change the value of a parameter, double click on the line with the parameter “browser.tabs.tabMinWidth” and in the window that appears, set the value to 30. Firefox tabs
Click on the “OK” button and reload the browser. Now in the browser window, you can open many more tabs without using the scroll bar.

How to open a new tab next to the current one in Firefox

In some versions of the Firefox browser, by default, new tabs open one after the other. For example, you have about ten tabs open and from the first tab you follow the link to another page that opens in a new tab. In this case, the site will not open next to the source page, but at the very end, the last for all open tabs. Sometimes this is inconvenient, especially if there are many open sites.
How to make the new tab located next to the source page?

  1. In the address bar of your browser, type “about:config”, agree that you are aware of the dangers of changing browser settings and taking the risk.
  2. In the search bar, type the name of the parameter: “browser.tabs.insertRelatedAfterCurrent”. Double-click on the line with this parameter so that its value changes to “true”.Tab next to the current in Firefox
  3. Close the page with configuration options and check the result of your actions.

In order to return the settings to the previous state, go back to the Firefox configuration options page and change this parameter to “false”.