screenshotJavaScript Switch ON|OFF  |  Download Switch JavaScript ON or OFF, the easy way!

Some of the important features of the JavaScript Switch ON|OFF addon are listed below. This is followed by an overview of this addon. This summary contains few words about the addon, its function, and its features. Next is FAQ, this section is useful to get information about how this addon works in your browser. If you couldn't find a specific answer, please fill the bug report form on this page or the contact form on the homepage to let us know about your question. Following the FAQ, is the bug report form. It is designed to collect user feedbacks and bugs about this addon. Users can suggest improvements or feature requests through this form too. The next section is for submitting comments about this addon which uses the Facebook comments plugin. The last section is dedicated to reports submitted through the GitHub website. We hope the information provided on this page, could help you get all the basics you need about this addon and enable you to have a better experience with JavaScript Switch ON|OFF.

In short, JavaScript Switch ON|OFF turns JavaScript engine for the entire browser ON and OFF simply through a toolbar button (icon color changes accordingly). Please check the YouTube tutorial below to get an idea of how this addon works in your browser. If you want to contribute to the developement of this addon, please fork it on GitHub, and push your changes to a named branch. Moreover, you can review all the comments made on GitHub commits.

5 Reasons to Use JavaScript Switch ON|OFF

  • Easy accessible toggle button in your browser toolbar.

  • Toolbar icon changes color when you switch JavaScript ON or OFF (red or green).

  • Not interfering with other extensions at all.

  • Very lite addon with minimum possible fingerprints.

  • Available for Chrome and Opera browsers (Window and Mac).

YouTube Tutorial

This video gives you an idea of how the extension works in your browser.

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Frequently Asked Questions

  • 1. What is JavaScript Switch ON|OFF?

    JavaScript Switch ON|OFF is a lite and multi-browser addon that helps you quickly turn JavaScript engine in your browser ON or OFF with just one button. When toolbar icon color is green, JavaScript is allowed in your browser, when it turns red, it means JavaScript is denied globally. Now you can reload any website without JavaScript running. If you need to whitelist a domain (i.e. please head to the options page and add the desired domain to the designated area. Please note, domains need to be added comma separated. You can enter URLs and the addon will convert them to domain (i.e.,,, ...).

  • 2. How do I turn the extension OFF (allow JavaScript globally)?

    In order to turn the addon OFF, please click on the toolbar icon once. When the icon turns green, JavaScript is allowed globally and when it turns red, JavaScript is denied globally. As mentioned above, for specific websites in the whitelist, the icon will turn to green color when you switch tabs.

  • 3. How can I download the source code for JavaScript Switch ON|OFF?

    To download the source code for this extension from Chrome Web Store, it is recommended to use Extension Source Downloader. With this addon, you can download the source code as a ZIP or CRX format to your machine. If you want to download the source code from the Firefox addons store, please open the firefox download link (if available) in the Firefox browser and then right-click on the - Add to Firefox - button and select - Save Link As... - item. Choose the destination folder on your machine and then save the file in XPI format. You can then rename the XPI format to a RAR or ZIP file. Some extensions may have a GitHub repo address, which you can use to download the source code as well. But, it may not be the latest version of the addon. Therefore, downloading the source code from the official web stores is the best option as it always gives you the latest version of the addon.

  • 4. How to add a domain to the whitelist?

    In order to add a specific domain to the whitelist, please open the options page and add the desired domain to the designated area. Instead of a domain, you can add a URL to the input area as well, and the addon will automatically converts it to domain. Please note, all domains must be comma separated (i.e.,,, etc.).

  • 5. When the addon is OFF (JavaScript allowed), is it still using resources?

    No, when the extension is inactivated all its observers are removed and the addon does not monitor websites for JavaScript execution at all. To turn off the addon as mentioned above, please click on the toolbar icon once to make it turn green. Alternatively, you can disable the addon from the browser extensions page.

  • 6. How to open options page for this addon?

    In order to open options page, please go to the extensions page in your browser and then click on the options button next to the addon name. The options page will be open where you can add a desired domain(s) for whitelisting.

  • 7. Is this addon available for mobile version of Firefox or other browsers?

    No, currently this addon is only available for desktop browsers (Chrome and Opera). In future versions we will release it for Firefox and mobile browsers as well.

  • 8. Can I whitelist a website with regular expressions?

    No, unfortunately regular expressions are not supported yet. Currently white-listing is only possible with hostnames and wildcards such as (i.e. *://**). Please note that you cannot whitelist a URL alone, once you enter a URL in the whitelist table the addon will convert it back to domain and JavaScript will be allowed for the whole domain.

  • 9. Where can I find the privacy policy for JavaScript Switch ON|OFF?

    Please read the privacy policy for this extension here.


Reporting Bugs

Your feedback goes a long way towards making this addon even better. With this feedback and bug report form, you can report bugs or suggest features/enhancements for the functionality or performance of this addon. Please note that this form will be sent to the developer(s) of this addon. You will not get an immediate or personal response at the moment. However, the developer(s) may contact you through the email address provided in this form for further clarifications or to request additional information regarding the reported bug(s).

If you want to rate or write a review for this addon in the official webstore, please press the - Rate this addon - button below.

Please enter the name of the extension (addon).

Please enter the current version of the extension.

Please be as specific as possible. Basically, describe what happened, what you were doing when it happened, and why you think it is a problem.

Describe the step-by-step process required to reproduce the issue you are reporting. Be specific when describing these steps by providing as much detail as possible.

Please try to leave a link to a screenshot for the specific bug or error report.

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Reviews | Discussions

Please note: keep these reviews/discussions clean, and avoid the usage of derogatory or inappropriate language or terminology in references to individuals or groups based on race, national or ethnic origin, color, religion, age, gender, etc. Do not submit bugs in your reviews, use the above bug-report section instead. Also, never post any personal information in these reviews.