This extension helps web masters to test web application behaviour with Content Security Policy version 2.0 implemented.

Latest Version

Version
2.1
Update
October 2, 2018
Size
16.61KiB
Developer
Category
Users
2,000+
Rating
3.71429 ★
Manifest Version
2
Web Store Status
Languages Support
English
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Permissions
WebRequest
WebRequestBlocking

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CSP Tester Extension

This extension helps web masters to test web application functionality
with Content Security Policy (CSP) version 2.0 implemented.

Typical workflow looks like:

1. Open the extension window
2. Add into the URL Pattern a regular expression for the site that you want to test, for example *://yoursite.com/* (CSP Tester uses Chrome Match Patterns)
3. Tick the e.g. \"self\" checkbox, check \"Active\" and Save the changes
4. Open the Developer Tools and navigate to the tested site
5. Confirm a number of CSP violations reported in the Developer Tools Console as well as possible visual changes
6. Make changes in the policy based on these reports
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Source Manifest.json

{"update_url": "https://clients2.google.com/service/update2/crx", "manifest_version": 2, "name": "CSP Tester", "description": "This extension helps web masters to test web application behaviour with Content Security Policy version 2.0 implemented.", "version": "2.1", "permissions": [ "webRequest", "webRequestBlocking", "" ], "browser_action": { "default_icon": "icon16.png", "default_popup": "popup.html" }, "background": { "scripts": ["background.js"], "persistent": true }, "homepage_url": "https://oxdef.info/csp-tester", "applications": { "gecko": { "id": "[email protected]", "strict_min_version": "45.0" } }}
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How to download and manually install CSP Tester extension for Chrome

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

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

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

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

This is another method to install CSP Tester 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 CSP Tester extension file

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

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User reviews

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Matt “CiderPunk” Lander (ID: 00000065fb83f600) Voted 5 ★ - Updated 04/03/2023 Very handy! i think the advanced mode is really all you need, weirdly it's way less complex than the default view, the only thing i could ask for is a bigger text box. Thanks!

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(ID: ) Voted 3 ★ - Updated 04/07/2018 strips upgrade-insecure-requests; which is annoying

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Влад Майсов (ID: 000000bc31e2b625) Voted 1 ★ - Updated 01/16/2016 Очищаются заполненные данные