Fix No Video with Supported Format and MIME type found

What causes the No Video with Supported Format error?

Ever since the arrival of HTML 5, media errors on the internet have become common. After Adobe flash player was discontinued, HTML 5 became the ideal replacement. Being a safer and faster markup language, HTML 5 is highly sensitive to issues on your PC. These include outdated browsers, corrupt cache files, and intrusive extensions. Luckily, the “No Video with Supported Format” error can be fixed with a few easy steps.

Fix No Video with Supported Format and MIME type found What causes the No Video with Supported Format error? Method 1: Update Firefox Method 2: Clear Browser Cache and Cookies Method 3: Disable Browser Add-ons Method 4: Use Another Browser

Method 1: Update Firefox

Playing videos on outdated browsers is a challenging task. Many times, older versions are unable to register new media encoders and struggle to play videos.

  1. Open Firefox and click on the hamburger menu in the top right corner of the screen.

  2. From the options, select Help.

  3. Click on About Firefox.

  4. A window will appear on your screen. If your browser is not up to date, you will get the option to download the latest version.

  5. Play the video again and see if you’re able to fix No Video with Supported Format error.

Method 2: Clear Browser Cache and Cookies

Cached cookies and data can slow down your PC and cause unwanted errors. Moreover, corrupt cookies prevent sites from loading media files which results in the “No Video with Supported Format” error.

  1. Open Firefox and select the hamburger menu

  2. Click on Options.

  3. Go to Privacy and Security from the panel on the left.

  4. Scroll down to Cookies and Site Data and click on Clear Data button.

  5. Enable both the checkboxes and click on Clear.

  6. Scroll further down to the History panel and click on Clear History button.

  7. Change the time range from Last Hour to Everything.

  8. Select all the checkboxes and click on OK.

  9. This will clear all cached storage and saved cookies. Play the video again and see if it fixes the “No Video with Supported Format” error. Also Read: Fix YouTube Videos loading but not playing videos

Method 3: Disable Browser Add-ons

Similar to the extensions on Chrome, Firefox introduced Add-ons to make browsing more fun. While these services can enrich your online experience, they interfere with online activity. Try disabling a few addons to fix the “No Video with Supported Format” error.

  1. Click on the hamburger menu and select Add-ons and Themes.

  2. Go to Extensions from the panel on the left.

  3. Find the extensions that could cause errors during playback.

  4. Click on the three dots and select Remove.

  5. Reload the website and see if the video plays.

Method 4: Use Another Browser

While Mozilla Firefox has done a commendable job over the years, it has not caught up with the speed and efficiency of Google Chrome. If all the aforementioned steps fail, it is time to bid adieu to Firefox and try other options. On your browser go to Google Chrome’s installation page and download the app. Your videos should run properly. Recommended:

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We hope this guide was helpful and you were able to fix No Video with Supported Format and MIME type found error on Firefox. Let us know which method worked for you best. If you have any queries regarding this article, then drop them in the comments section.

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