I’m a big fan of YouTube videos because they offer a wealth of interesting content—from fitness and lifestyle vlogs to food-related channels, which are my personal favorites. I often follow Pamela’s fitness videos to work out. However, when I’m outdoors and away from Wi-Fi, it becomes difficult to stream them, so I often find myself needing to download YouTube videos for offline access.

If you’re like me and are currently looking for a reliable YouTube video downloader extension Firefox, then keep reading! While there are many browser extensions available for downloading videos, especially for Chrome and Firefox, this article focuses mainly on Firefox-compatible tools. If you're more familiar with Chrome, don’t worry—the process is quite similar, so we won’t repeat the steps here. But I must remind you, if the creator deleted the video, it is very hard to download deleted YouTube videos again, so make a backup in advance.

Top 5 YouTube Video Downloader Extension Firefox

1. Video DownloadHelper

5 Best Firefox & Chrome Extensions for Downloading YouTube Videos: video downloaderhelper

Video DownloaderHelper is the most stable YouTube video downloader extension available, with high ratings and a large user base.

WHAT WE LIKE
  • Supports downloading videos and audio in multiple formats
  • Compatible with numerous websites such as YouTube, Facebook, Vimeo, etc
  • Automatically detects media resources on web pages for easy operation
WHAT WE DON'T LIKE
  • Videos downloaded from the free version will have a prominent watermark (QR code)
  • Advertisements and upgrade prompts appear frequently
  • Some users have reported stability issues such as download failures and audio-visual synchronization problems

Step-by-step Guide: 

Step1
Go to Firefox Browser ADD-ONS, search for this extension.
Step2
Click "install the extension".
Step3
Open the YouTube, play the video you want to download, click on the puzzle icon in the upper right corner, select this extension, and it will automatically recognize the video you want to download. Then select the download format. If it does not recognize the video, try refreshing the page.
5 Best Firefox & Chrome Extensions for Downloading YouTube Videos: step of video downloaderhelper

2. Free YouTube Video Downloader

5 Best Firefox & Chrome Extensions for Downloading YouTube Videos: free YouTube video downloader

Although this extension created by Elevate Tech is not the highest rated, it is one that I have personally tested and found to be truly usable. However, its operating steps may be slightly different from other extensions.

WHAT WE LIKE
  • Supports downloading videos and audio files in multiple resolutions and formats
  • Easy to use, no registration required
  • Completely free to use
WHAT WE DON'T LIKE
  • Few users, average ratings
  • Issues with failed downloads and conversion errors
  • Low update frequency, may not be compatible with the new version of YouTube

 Step-by-step Guide:

Step1
Go to Firefox Browser ADD-ONS, search for this extension.
Step2
Click "install the extension".
Step3
Open the YouTube website, play the video you want to download, click on the puzzle icon in the upper right corner, select this extension. Then there is a difference with the other extensions, you should paste the video link by yourself, it will not analyze the video itself.
Step4
Choose the quality and click "Download Now", the video will begin to download.
5 Best Firefox & Chrome Extensions for Downloading YouTube Videos: step of free YouTube video downloader

3. YouTube Video Downloader

5 Best Firefox & Chrome Extensions for Downloading YouTube Videos: YouTube video downloader

YouTube Video Downloader is also a highly rated extension. Although it does not have many users, it has a high rating. At the same time, after our testing, this extension is also proven to be effective.

WHAT WE LIKE
  • Fast download speed and short processing time, suitable for quickly obtaining video content
  • Simple interface and clear operation process, suitable for beginners
WHAT WE DON'T LIKE
  • Sometimes the server is unstable, resulting in download failures or inability to connect
  • There is a problem with redirecting to advertising pages, which poses potential security risks
  • Some users have reported that the plugin is unstable and occasionally crashes or encounters errors

Step-by-step Guide:

Step1
Go to Firefox Browser ADD-ONS, search for this extension.
Step2
Click "install the extension".
Step3
Open the YouTube video you want to download, copy its link, click on the extension, and a download window will automatically pop up. Copy the video link into it and click download.
5 Best Firefox & Chrome Extensions for Downloading YouTube Videos: step of YouTube video downloader

4. YouTube Video Download

5 Best Firefox & Chrome Extensions for Downloading YouTube Videos: YouTube video download

This extension has a relatively low user base, but it is easy to use and suitable for users who only need basic download functionality. It supports direct downloading of YouTube videos on the page, with an intuitive interface that is easy for beginners to get started with. However, due to its average stability and low download success rate, it is recommended to use it only as a temporary tool.

WHAT WE LIKE
  • Supports separate download of video or audio
  • Simple interface and easy operation
WHAT WE DON'T LIKE
  • The maximum resolution is 720p
  • Frequent failures, slow speeds, download interruptions, and errors
  • Repeated reports of redirection to advertising sites and even the launch of malicious downloaders, posing security risks

Step-by-step Guide:

Step1
Go to Firefox Browser ADD-ONS, search for this extension.
Step2
Click "install the extension".
Step3
Play the video you want to download, you can see a download button beside the creator, click it and set the format, then it will begin to download.
5 Best Firefox & Chrome Extensions for Downloading YouTube Videos: step of YouTube video download

5. Easy Youtube Video Downloader Express

5 Best Firefox & Chrome Extensions for Downloading YouTube Videos: easy YouTube video downloader express

The last one I want to recommend is "Easy YouTube Video Downloader Express", it was made by Dishita, and it has a large user base, but sometimes, it will uses a long time to analyze the video you want to download.

WHAT WE LIKE
  • Easy to use, download directly from the YouTube page without redirecting or copying links
  • Supports downloading common video formats such as MP4 and 3GP, as well as high-quality MP3 (paid feature)
  • Has approximately 450,000 users and enjoys high community recognition
WHAT WE DON'T LIKE
  • You need to purchase the professional version to download 1080p or MP3 formats
  • The plugin sometimes fails, and the button may not be displayed or the download may fail
  • The last update was a long time ago, so there may be compatibility issues

Step-by-step Guide:

Step1
Go to Firefox Browser ADD-ONS, search for this extension.
Step2
Click "install the extension".
Step3
Click on the extension in the upper right corner, select this option, wait for the analysis to complete, and then click download.

Currently, there are almost no usable YouTube video downloader extensions available for Chrome, and using Firefox extensions also comes with various issues. This can be quite frustrating for those who frequently need to download videos. After some exploration, I discovered a highly professional downloader: StreamFab YouTube Downloader. During my trial period, I encountered none of the aforementioned issues.

Bonus! How to Download Youtube Videos without Limitation?

5 Best Firefox & Chrome Extensions for Downloading YouTube Videos: streamfab YouTube downloader

Download online videos from YouTube, Facebook, Instagram, Vimeo, and 1000+ other video-sharing sites. Multitasks and playlist downloads are also supported.

1. Best Features of StreamFab

  • Compliant with over a thousand music and video sharing websites
  • Supports playlist download and batch processing mode
  • Downloading videos from YouTube up to 8K and music at 320 kbps
  • Store VR 360° and HDR videos from YouTube
  • Select the most suitable video codec from three choices: H264, VP9, or AV1

2. How to Use StreamFab YouTube Downloader

Step1
Open StreamFab and select the YouTube icon in the Explorer panel.
Step2
Choose the music or video you wish to download from YouTube, then play it. You have a choice of subtitle language and audio/video format.
5 Best Firefox & Chrome Extensions for Downloading YouTube Videos: step 2 of streamfab YouTube downloader
Step3
Click the "Download" button that appears on the screen, if you are looking for YouTube to 4K download software, StreamFab can also meet your needs.

FAQs

1. Is There a YouTube Video Downloader Extension for the Chrome Browser?

The answer is yes. However, due to the latest policies of Chrome and YouTube, you need to add them from the official websites of these extensions rather than from the Google Store. The steps are basically the same as those for Firefox.

2. Can I Download YouTube Audio by Downloader Extension?

Only some extensions have this feature, allowing you to choose between downloading video, audio, or video & audio during the download process. However, the downside of these extensions is that they are very unstable. Therefore, if you have long-term download needs, we recommend using StreamFab YouTube Downloader.

Conclusion

With a wide variety of YouTube video extension programs available for download in the Firefox browser, users can flexibly choose the most suitable extension program according to their preferences and needs. Whether you are looking for simplicity and ease of use, a wide range of functions, or professional features, these extension programs provide a convenient and hassle-free way to download YouTube videos. Additionally, if you prefer to use a download program, you can refer to the best YouTube playlist downloader review.