Disable auto-discard of all tabs or for tabs with specific domains

Latest Version

Version
1.0.4
Update
May 31, 2022
Size
35.28KiB
Developer
Category
Users
5,000+
Rating
3.66667 ★
Manifest Version
3
Web Store Status
Languages Support
English
Italiano
See more
Permissions
Tabs
Storage
Idle
Alarms
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No-Tabs-Auto-Discard Extension

Not all domains or web applications benefit from Chrome's tabs auto-discarding feature, in an enterprise context many of those are state-rich, always connected mission critical applications (e.g. CTI applications, monitoring applications, etc.) which can be negatively impacted by such Chrome feature.

This extension has been developed to deal with Chrome tabs auto-discarding feature by providing a way to configure its behaviour over the tabs of a Chrome instance.

The extension monitors your tabs and can be configured to:

\t- turn off the extension (Chrome default behaviour)
\t- disable auto-discarding on all tabs (already opened and new tabs)
\t- disable auto-discard for specific domains (already opened and new tabs)

The extension's configuration can be provided in two ways (in order of precedence):

\t- by Chrome Policies (for enterprise Administrator/Users distributed via Windows Group Policy)
\t- by local configuration file

Configuration Parameters
------------------------------------

This extension can be configured with this two parameters :

- DiscardDisabledMode

\tThis mandatory parameter controls the extension behaviour:

\t - EXTENSION_DISABLED
\t\tDisable the extension

\t - DISABLE_FOR_ALL_TABS (default extension mode)
\t\tDisable auto-discard for all tabs

\t - DISABLE_ONLY_FOR_DOMAINS
\t\tDisable auto-discard for specific domains (FQDN, e.g. medium.com, www.google.com)

- DiscardDisabledDomains

\tThis optional parameter is specific for DiscardDisabledMode=DISABLE_ONLY_FOR_DOMAINS and contains the list of domains for which to disable auto-discarding:

\t- e.g. [ \"medium.com\", \"www.google.com\"]

\tIf DiscardDisabledMode=DISABLE_ONLY_FOR_DOMAINS but the list is empty, the extension will behave like DiscardDisabledMode=DISABLE_FOR_ALL_TABS

Configuration Providers
------------------------------------

- Chrome Policies (for enterprise Administrator/Users distributed via Windows Group Policy)

\tThe extension configuration can be provided machine-wide or for specific users by applying enterprise policies or GPO to the device registry under the following keys:

\t- Machine-Wide
HKEY_LOCAL_MACHINE\\SOFTWARE\\Policies\\Google\\Chrome\\3rdparty\\extensions\
dpjhokgnpdcldkklhhklkgabnjehfap\\policy

\t- Specific User
HKEY_CURRENT_USER\\SOFTWARE\\Policies\\Google\\Chrome\\3rdparty\\extensions\
dpjhokgnpdcldkklhhklkgabnjehfap\\policy

Depending on your choice, under the key create the two configuration parameters:

- DiscardDisabledMode (string/REG_SZ)
- DiscardDisabledDomains (string/REG_SZ)

IMPORTANT!!! Chrome Policies have precedence over the local configuration file.
\t\t
- Local configuration file

\tThe extension can be also configured by its local configuration file (config.json), located under the extension's installation folder (e.g. on Windows) :

- C:\\Users\\\\AppData\\Local\\Google\\Chrome\\User Data\\Default\\Extensions\
dpjhokgnpdcldkklhhklkgabnjehfap\\\\config.json

The configuration file has this structure (the json below shows the default configuration) :

{
\"DiscardDisabledMode\":\"DISABLE_FOR_ALL_TABS\",
\"DiscardDisabledDomains\":[]
}

- Configuration Refresh
----------------------------------

The extension's configuration is refreshed:
\t
\t- manually
\t\t- by clicking the \"Refresh Configuration\" button on the extension popup

\t- automatically by the extension:
\t\t- when Chrome starts up
\t\t- every 60 minutes
\t\t- when the device is locked or screensaver is active for more than 2 minutes
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Source Manifest.json

{ "action": { "default_popup": "popup.html" }, "author": "Alessandro Baratella", "background": { "service_worker": "background.js" }, "default_locale": "en", "description": "__MSG_manifest_description__", "icons": { "128": "icon128.png", "16": "icon16.png", "24": "icon24.png", "32": "icon32.png", "48": "icon48.png" }, "manifest_version": 3, "key": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzFRQQUwM9pxTiojkdr4NAUlTXAnE5v3skCxfNDYjhFq52CbIhYzLi2KZpK+Vl4XgMl/KMEtdZ/svT13v/LbKdCbR6yj+9wXliMnQAhwBgal5GeCZbF2ew1POsRM6yhcVOVIhvY23xEV6RRrSHd2x4Q5guXsTy3+hC+2SCFSJR69oK00oMBEK9XJkzWEP3n1HsZWazI/ZtRVCUYKyGVSYFuzys+5nKF+rDM/mJw+5AcHF/Xz9u1ljcTmY7pSqBKqm+54GGuPfnetMbY6f0SxzcSIiFDjc4ha8Hlai9Gr5P0PDJM8uIrZGju+vzqU2m0SOE0Y/3BTVQ2+wanaDxhl1KwIDAQAB", "name": "__MSG_manifest_name__", "permissions": ["tabs", "storage","idle","alarms"], "storage": { "managed_schema": "schema.json" }, "update_url": "https://clients2.google.com/service/update2/crx", "version": "1.0.4"}
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How to download and manually install No-Tabs-Auto-Discard extension for Chrome

Looking for a way to install No-Tabs-Auto-Discard extensions for Chrome, you can search for them in the Chrome Web Store, clicking the "Add to Chrome" button, and following the straightforward process.

However, you may need to install No-Tabs-Auto-Discard extensions manually, this article outlines two simple methods to effortlessly install No-Tabs-Auto-Discard extensions, whether they come as unpacked folders in compressed formats like .zip or as .crx files.

Method 1: Download No-Tabs-Auto-Discard extension and manually install through Drag &Drop

If you ever need to manually install a No-Tabs-Auto-Discard extension for Chrome, don't worry, it's a simple process. Just follow these easy steps, and you will have your extension ready to use in no time.

Step 1: Download the No-Tabs-Auto-Discard Extension by clicking the "Download CRX" button on the website.

Look for the No-Tabs-Auto-Discard extension you wish to install. Go to the website and download the No-Tabs-Auto-Discard extension package, which is usually a .CRX file and comes in a zipped file. Here ".crx" file is the format for No-Tabs-Auto-Discard extension that contains all the data.

Step 2: Extract &Arrange Files

Once the file is downloaded, extract that file into its own folder. Similarly, give that extension files a permanent home. In other words, keep it in a folder that you don't accidentally delete it because these files will be needed to make that extension work.

Step 3: Go to the Chrome Extensions Page

Open Google Chrome and in the address bar, type chrome://extensions; it will open the Google Chrome extensions page. Make sure that "My extensions" is selected in the sidebar.

Step 4: Drag and Drop the Extension

Now, go to the folder where you extracted the No-Tabs-Auto-Discard extension and drag &drop the extension file from there anywhere onto the extension page within Google Chrome.

Step 5: Complete the Installation

Once you drag and drop the extension file, follow the steps that Google Chrome takes you through. Similarly, if the extension file is of .crx file format, you will be required to review the permissions and then add the extension.

Now, you can manage that added extension as you would like to with any other Chrome extension that you added through Chrome Webstore. Its icon will also appear in the Google Chrome Menu on the right side of the address bar once you activate it.

Method 2: Download No-Tabs-Auto-Discard extension for Chrome and install in Developer Mode

This is another method to install No-Tabs-Auto-Discard extension manually, but the twist is that here, you install by enabling the developer mode option provided in Google Chrome. This mode is commonly used for testing extensions or running unpublished tools.

Step 1: Download the No-Tabs-Auto-Discard extension file

Select and download the No-Tabs-Auto-Discard extension by clicking the 'Download CRX' button on the website.

Step 2: Extract the downloaded contents

Convert the file to a ZIP file if it is in CRX format then extract the No-Tabs-Auto-Discard extension zip file or folder that you downloaded. Make sure you extract it using the same folder name and keep it safely in another folder, so you don't delete it by mistake. The extracted folder will be needed to keep your No-Tabs-Auto-Discard extension running.

Step 3: Open Chrome Extension Setting Page

In the address bar of Google Chrome, type chrome://extensions and open the Chrome Extension Page.

Step 4: Enable Developer Mode

After opening the Chrome Extension page, look at the top right side, and you will find the toggle option of "Developer mode."Simply enable that developer mode option.

Step 5: Load the Unpacked Extension

Once you enable the developer mode option, you will see the menu of Load Unpacked, Pack Extensions and Update. From that, select the option "Load unpacked."

Step 6: Select the Extension Folder

Once the pop-up opens upon clicking Load unpacked, select the No-Tabs-Auto-Discard extension directory and click on the "Select Folder "button.

Step 7: Confirm and Install

After you select an extension folder of a Google Chrome extension you're installing manually, confirm its installation for the final time and let the installation complete.

Conclusion

Here we've made a step-by-step guide on How to manually install No-Tabs-Auto-Discard extension in 2 ways. We hope this guide proves helpful.

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