Extension for increasing security and privacy level of the user.

Latest Version

Version
0.19.1
Update
November 21, 2024
Size
440KiB
Developer
Category
Users
0
Rating
4.5 ★
Manifest Version
3
Web Store Status
Languages Support
English
čeština
русский
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Permissions
Storage
Tabs
WebRequest
WebNavigation
Notifications
Scripting
UserScripts
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JShelter Extension

What is JShelter?

JShelter is a browser extension to give back control over what your browser is doing. A JavaScript-enabled web page can access much of the browser's functionality, with little control over this process available to the user: malicious websites can uniquely identify you through fingerprinting and use other tactics for tracking your activity. JShelter aims to improve the privacy and security of your web browsing.

How does it work?

Like a firewall that controls network connections, JShelter controls the APIs provided by the browser, restricting the data that they gather and send out to websites. JShelter adds a safety layer that allows the user to choose if a certain action should be forbidden on a site, or if it should be allowed with restrictions, such as reducing the precision of geolocation to the city area. This layer can also aid as a countermeasure against attacks targeting the browser, operating system or hardware.

Please see the FAQ (https://jshelter.org/faq/) and our blog (https://jshelter.org/blog/) for more information about the extension.

What is the threat model?

https://jshelter.org/threatmodel/

Can I read a paper about the extension?

Yes, see https://arxiv.org/abs/2204.01392
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Source Manifest.json

{"update_url": "https://clients2.google.com/service/update2/crx", "author": "Libor Pol\u010d\u00e1k, Giorgio Maone, Martin Timko, Pavel Pohner, Peter Hor\u0148\u00e1k, Mat\u00fa\u0161 \u0160vanc\u00e1r, Marek Salo\u0148, Martin Bedn\u00e1\u0159, Radek Hranick\u00fd, Martin Zmitko", "background": { "service_worker": "service_worker.js" }, "action": { "default_icon": { "16": "img/icon-16.png", "32": "img/icon-32.png", "48": "img/icon-48.png", "64": "img/icon-64.png", "96": "img/icon-96.png", "128": "img/icon-128.png", "256": "img/icon-256.png", "512": "img/icon-512.png" }, "default_title": "JShelter", "default_popup": "popup.html" }, "content_scripts": [ { "matches": [""], "all_frames": true, "match_about_blank": true, "match_origin_as_fallback": true, "js": [ "nscl/lib/browser-polyfill.js", "nscl/common/uuid.js", "nscl/content/patchWindow.js", "lib/sha256.js", "helpers.js", "document_start.js" ], "run_at": "document_start" } ], "default_locale": "en", "description": "__MSG_extensionDescription__", "homepage_url": "https://JShelter.org", "icons": { "16": "img/icon-16.png", "32": "img/icon-32.png", "48": "img/icon-48.png", "64": "img/icon-64.png", "96": "img/icon-96.png", "128": "img/icon-128.png", "256": "img/icon-256.png", "512": "img/icon-512.png" }, "web_accessible_resources": [{ "resources": ["farble.wasm"], "matches": [""] }], "manifest_version": 3, "minimum_chrome_version": "120", "name": "__MSG_extensionName__", "options_page": "options.html", "content_security_policy": { "extension_pages": "default-src 'none'; script-src 'self'; connect-src 'self'; img-src 'self' data:; style-src 'self';base-uri 'self';form-action 'self'" }, "permissions": [ "storage", "tabs", "webRequest", "webNavigation", "notifications", "scripting", "userScripts" ], "host_permissions": [""], "optional_permissions": ["browsingData"], "short_name": "JShelter", "version": "0.19.1"}
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How to download and manually install JShelter extension for Chrome

Looking for a way to install JShelter 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 JShelter extensions manually, this article outlines two simple methods to effortlessly install JShelter extensions, whether they come as unpacked folders in compressed formats like .zip or as .crx files.

Method 1: Download JShelter extension and manually install through Drag &Drop

If you ever need to manually install a JShelter 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 JShelter Extension by clicking the "Download CRX" button on the website.

Look for the JShelter extension you wish to install. Go to the website and download the JShelter extension package, which is usually a .CRX file and comes in a zipped file. Here ".crx" file is the format for JShelter 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 JShelter 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 JShelter extension for Chrome and install in Developer Mode

This is another method to install JShelter 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 JShelter extension file

Select and download the JShelter 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 JShelter 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 JShelter 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 JShelter 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 JShelter extension in 2 ways. We hope this guide proves helpful.

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User reviews

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Jacob Griffin (ID: 0000004abe1992b4) Voted 4 ★ - Updated 08/03/2023 Pretty good extension. If you're a user that found NoScript to be a little too time consuming to get setup properly etc. I'd try this out. It's basically a "set it and forget it" form of NoScript that does all the blocking you need with no initial setup or tinkering, although you can still tinker AND there are plenty of settings to tinker with.

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Arioch The (ID: 0000003350ad84da) Voted 2 ★ - Updated 05/14/2023 Unusable black hole. In the first 2 hours of using (Vivaldi 5.6.2867.62 on Win7-x64): 1. Kills reCaptcha service (until JS Shield prohibited - the very essense of the extension) 2. Kills DisQus service (until JS Shield prohibited - the very essense of the extension) 3. The bug reports page can not be found from the main site 4. When finally found - it requests you to create new account (logging in with OpenID/OAuth through other sites? no, not in 21 century) just for the privileger of laying 1-2 bug reports 5. When you do - it denies to ackknowledge the already xreated and activated account and instead goes infinite circles through HTTP login screens. Well... if that is how they bug-fixing page "works" and if it is how the casual browsing becomes just after 2 hours with this "www-killer feature" you may extrapolate how it would go further...

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Çınar (ID: 000000d77065ef9e) Voted 5 ★ - Updated 04/26/2023 The best plugin i ever seen i liked the fingerprint option (sorry for bad eng)

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•• (ID: 00000039624664e0) Voted 1 ★ - Updated 03/09/2023 It is causing high cpu and memory usage in some pages until freezing the system, both chrome and firefox and still not fixed. Could not recommend this extention with lot of bugs. https://pagure.io/JShelter/webextension/issues

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Bérenger Lieber (ID: 0000002299406529) Voted 4 ★ - Updated 02/17/2023 Does the job. BUT annoyingly breaks login and forms for websites using reCAPTCHA. Guess we can't have both.