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3 Quick Ways to Fix Backdrop Filter Not Working in Firefox

Do not hesitate to update Firefox to the latest version

4 min. read

Updated onOctober 4, 2023

updated onOctober 4, 2023

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Key notes

Want to apply a backdrop filter like blur or color filters to the background of your design in Firefox, but it’s not working?

Using the backdrop filter you can create some amazing background effects on your webpage, but the feature needs to be enabled in your browser to work.

But if theCSS is not working in Firefoxand you are unable to customize the look of your website, you can follow the solutions in our detailed post.

Although enabling the property in Firefox may help you fix the backdrop filter not working issue, there could be other reasons behind the glitch as well.

Quick Tip:

Backdrop filters are fully supported in the recent versions of the Opera One browser. Opera One is one of the first browsers to support Cascading Style Sheets, and Firefox quickly followed.

Opera One is lighter, faster, and more stable than Mozilla Firefox, plus it includes a variety of add-ons to help you create background effects more efficiently. It also features a native AI.

Opera One

Why backdrop filter in Firefox doesn’t work?

Firefox does not support the backdrop filter feature by default and hence, you will have to enable it.

However, it can be enabled in Firefox versions 70 and above manually and is available by default in versions 102 and above.

At the same time, there could be other reasons as well, that may lead to the backdrop filter not working problem in Firefox, such as:

The good news is, that we have a few workarounds that may help you fix the backdrop filter not working issue in Firefox as below:

How can I fix the backdrop filter not working issue in Firefox?

1. Enable backdrop filter preferences

Now, make sure to restart Firefox and the backdrop filter should be working now.

2. Update Firefox to the latest version

Once done, restart Firefox and check if the backdrop filter feature is working now.

3. File a bug report

But if it’s a bug that you have not encountered previously and need expert assistance, you can file a bug report on theirofficial issue trackerfor technical support.

According to Firefox’s recommendation, you can also file a bug or defect onGithub, ask support questions or get help with product troubleshooting.

How does the backdrop filter work?

The backdrop filter in Firefox is aCSSproperty that lets you add visual effects to your web page like blur or color filters to the background of the design.

Because the filter is added to the entire background of the design, the effect will be visible only when you make the design or its backdrop somewhat transparent.

You can also refer to theMDN Web Docsby the Mozilla developer support for the basics of how to apply a backdrop filter to your element.

However, if the backdrop filter is still not working in Firefox version 102.0, you may need to re-enable the preferences in config as explained above.

Even more, you can check the list ofbest video background blur softwarein our detailed guide for your video clips.

If you are facing any other issues with the Firefox browser, do leave a message in the comments box below.

3 Quick Ways to Fix Backdrop Filter Not Working in Firefox#

Opera One#

Why backdrop filter in Firefox doesn’t work?#

How can I fix the backdrop filter not working issue in Firefox?#

1. Enable backdrop filter preferences#

2. Update Firefox to the latest version#

3. File a bug report#

How does the backdrop filter work?#