Hulu is not Working in Firefox: 3 Ways to Quickly Fix it

Hulu doesn't work in unsupported & outdated browsers

by Megan Moore
Megan Moore
Megan Moore
Megan is a Windows enthusiast and an avid writer. With an interest and fascination in all things tech, she enjoys staying up to date on exciting new developments... read more
Fact checked by Alex Serban
Alex Serban
Alex Serban
Browser & Networking Expert
After moving away from the corporate work-style, Alex has found rewards in a lifestyle of constant analysis, team coordination and pestering his colleagues. Holding an MCSA Windows Server... read more
Affiliate Disclosure
  • Mozilla Firefox is one of the most popular browsers for streaming services, however, users have reported issues with Hulu not working.
  • Firefox is one of Hulu's supported browsers, but add-ons or backed-up cache may cause problems with the website.
  • Users can run the troubleshooter if having compatibility problems in Firefox.
Feature image for Hulu not working in Firefox.
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Mozilla Firefox has many features that make it a great choice for streaming your favorite movies and TV shows on Hulu. However, users have reported issues with Hulu not working in Firefox. Keep reading to find a quick solution to this problem.

Users also report Hulu acting up on smart TVs and Safari. If you’re having issues with Hulu not working on Chrome, we have solutions for that as well.

Why won’t Hulu play on my browser?

Hulu may not play in browsers that are outdated or not supported. The streaming platform supports the latest versions of Google Chrome, Firefox, Safari, and Microsoft Edge. Hulu also may not work properly with ad and cookie blockers.

Hulu compatible browsers.

Does Hulu not work on Firefox?

Firefox is one of the compatible browsers for Hulu and should work. If you are running into issues with Hulu not working in Firefox, make sure any ad blockers are disabled and you have HTML5 enabled.

Quick Tip:

Opera is a Chromium-based browser that uses the same engine code base and supports HTML5, JavaScript, and Cookies for Hulu.

With the User-Agent Switcher add-on for Opera, you may shape shift it into any other accessible choice in the list, including Firefox.


Streaming Hulu on Opera can be the same as on Firefox, only shape-shifted with the add-on.

How do I fix Hulu if it doesn’t work in Firefox?

1. Check for updates

  1. In Firefox, click on the three lines in the top right corner and select Settings. Open Firefox settings.
  2. In General, scroll until you see Firefox Updates.
  3. Click on Check for updates. Check for updates Firefox.
  4. Perform any required updates.

To avoid any problems or bugs while browsing in Firefox, make sure you keep it up to date. It’s recommended that you allow Firefox to automatically install updates so you don’t have to worry about it.

2. Clear browser data

  1. In Firefox, click on the three lines in the top right corner and select Settings. Open Firefox settings.
  2. Go to Privacy & Security and under Cookies and Site Data select Clear Data. Firefox clear browser data if Hulu not working.
  3. Check the box next to Cookies and Site Data and the box by Cached Web Content. Check the boxes.
  4. Click Clear.

If your cache and site data are backed-up it can cause issues with sites like Hulu. A good indicator of when it’s time to clear the cache is when Hulu won’t load the homepage.

3. Disable extensions

  1. In Firefox, click on the three lines in the top right corner and select Add-ons and themes. Firefox addons and themes.
  2. Go to Extensions and go through and disable your installed add-ons. Disable addons if Hulu is not working in Firefox.
  3. Restart your browser.

Usually, ad blocker extensions can cause issues with streaming websites, but try disabling all your installed add-ons to see if it solves the issue. Because extensions are from third-party companies, they may not be updated or can be faulty leading to problems arising in your browser.

How do I fix compatibility issues in Firefox?

  1. Click on the Start menu and search for Firefox.
  2. Right-click and select Open file location. right-click firefox and open file location.
  3. Select Firefox and right-click then click Properties. Firefox properties.
  4. Under Compatibility, select Run compatibility troubleshooter. Run compatibility troubleshooter.

If you’re having compatibility issues in Firefox, running the troubleshooter will reveal any problems that need to be fixed. Also, make sure that Compatibility mode isn’t turned on to run for Windows 8.

We hope one of the above solutions helped fix any issues with Hulu not working in Firefox. Be sure to let us know which step worked for you or if you have a solution that is not listed above.

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