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How to Disable JavaScript in Firefox
Protect yourself from harmful scripts, and make pages load faster
By Scott Orgera Scott Orgera Writer Scott Orgera is a former Lifewire writer covering tech since 2007. He has 25+ years' experience as a programmer and QA leader, and holds several Microsoft certifications including MCSE, MCP+I, and MOUS. He is also A+ certified. lifewire's editorial guidelines Updated on June 16, 2022 Tweet Share Email Tweet Share Email Browsers Firefox Chrome Safari Microsoft What to Know
Enter about:config into the search bar and select Accept the Risk and Continue.Enter javascript.enabled into the search box at the top of the page.Select the javascript.enabled toggle to change the value to false. Occasionally, you might need to disable JavaScript for development or security purposes. Just as you can turn off JavaScript in Chrome and other browsers, you can also disable JavaScript in Firefox for Windows, Mac, Linux, and Android. How to Turn Off JavaScript in Firefox
Disabling JavaScript in Firefox should take only a few minutes, even if you're unfamiliar with using Firefox's settings. Before you begin, make sure you've updated Firefox to the latest version. Enter about:config into the URL bar in Firefox. Select the blue Accept the Risk and Continue button. Enter javascript.enabled into the search box at the top of the page. From the Firefox settings, you can also control where Firefox stores your downloads, change how Firefox starts up, and edit other download-related settings. Select the toggle to the right of javascript.enabled to change its value to false. On Android, tap the entry, then tap the toggle to disable JavaScript in Firefox. JavaScript is now disabled in your Firefox browser. To re-enable it at any time, change the value of javascript.enabled to true. Why Disable JavaScript in Firefox
You might need to turn off JavaScript for performance reasons or as part of a troubleshooting guide. JavaScript can pose a security risk, so disabling it decreases your risks of downloading malware. Sometimes, JavaScript malfunctions on a website, which prevents the page from loading. It can also cause the browser to crash. Disabling JavaScript might allow you to view a simplified version of a page that won't load properly. When developing your website, you'll need to know how to disable JavaScript in Firefox for troubleshooting issues. For example, if you have a plugin that uses JavaScript, you might have to disable it to fix a problem. It's also possible to disable JavaScript in Safari and Internet Explorer. Was this page helpful? Thanks for letting us know! Get the Latest Tech News Delivered Every Day Subscribe Tell us why! Other Not enough details Hard to understand Submit More from Lifewire How to Disable JavaScript in Google Chrome How to Use the Firefox about:config Option browser.download.folderList How to Disable JavaScript in Internet Explorer 11 How to Disable JavaScript in the Opera Web Browser How to Disable Geo IP In Firefox How to Disable Taskbar Button Grouping in Windows How to Turn off Incognito Mode How to Turn Off a Pop-Up Blocker on a Mac How to Disable JavaScript in the Safari Web Browser Manage Search Engines and One-Click Search in Firefox How to Disable WebRTC How to Disable AutoRun and AutoPlay for External Devices How to Disable JavaScript in Safari for iPhone How to Speed up a Chromebook How Do I Update Firefox? (Most Recent: Firefox 106) How to Turn Hardware Acceleration On and Off in Chrome Newsletter Sign Up Newsletter Sign Up Newsletter Sign Up Newsletter Sign Up Newsletter Sign Up By clicking “Accept All Cookies”, you agree to the storing of cookies on your device to enhance site navigation, analyze site usage, and assist in our marketing efforts. Cookies Settings Accept All Cookies