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The Best 6 Video Downloader for Mozilla Firefox

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Mozilla Firefox is one of the most well-known web browsers. It runs on multiple operating systems or devices, such as Windows, Mac OS, Linux, Android, or iOS. With Mozilla Firefox, you can surf almost anything on the internet. It can let you search and visit different types of websites, including online streaming sites. Using this browser, you can view several videos on multiple video-sharing sites without any problem. But sometimes we want to watch online videos on our offline playback since there are times that the internet is not available. That being said, I listed down the best video downloaders for Firefox that you can check.

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The Best Video Add-ons Downloaders for Firefox

1. Video DownloadHelper

Video DownloadHelper is a Firefox browser extension that allows you to download videos on different streaming sites, like DailyMotion, Vimeo, and more. It can detect videos on a website to make it downloadable for you. It is considered the best Firefox video downloader since it supports one of the oldest streaming video formats, which is the HLS up to the newer DASH format. Aside from its downloading function, it can also extract all the embedded audios, images on a particular website.



  • Video DownloadHelper can convert videos into audio, which is useful when you want to save it as a music file.
  • It can merge separate audio and video into one file.

  • Video DownloadHelper makes Firefox freeze if you download multiple videos at once.

2. Video Downloader professional

Video Downloader Professional is also the video downloader add-on for Firefox. It claims that it can grab videos in the fastest way within a few clicks. It has intuitive buttons that users can understand easily. With this plugin, you can make a personal video list for later playback or download. Through this, you can quickly access and view the videos without returning to their websites. Then, you can immediately save them on your hard drive by just hitting the download buttons.



  • It lists all available videos to download concurrently.
  • The playback videos can be in any window size.

  • It restricts you to download protected videos that are under RTMP protocol.

3. Ant Video Downloader

Ant Video Downloader is an add-on that allows you to store videos on different streaming sites on your hard disk. It supports various video-sharing websites, such as YouTube, Dailymotion, and more. Once you install this extension on your Firefox, a "Download" button appears in the menu bar of the browser. Then if you click this button, a sub-menu opens to show the downloadable videos for you. Meanwhile, you can also adjust the video and audio quality by hitting the "Gear" icon. Hence, it is considered as Firefox essential video downloader.



  • It supports HTTP, FTP, and RTMP protocols.
  • It has a download list and sorting options.

  • The playback size is too small.

4. Easy Youtube Video Downloader Express

Easy YouTube Video Downloader Express is regarded as an option for FireFox YouTube downloader. It has a straightforward UI control that you can find embedded at the lower part of a YouTube video player. Once you hit its "Download" button, you can quickly grab Youtube videos without installing a new downloader software. Plus, it is capable of downloading multiple YouTube videos without any limit. Aside from its downloading feature, it can also extract the audio of the YouTube videos directly by selecting the MP3 formats provided.



  • Easy Youtube Video Downloader Express has a minimalistic and simple button for downloading YouTube videos.
  • With a single click you can grab 256kbps HQ MP3 files from YouTube.

  • You need to pay for the upgrade account to enjoy downloading videos for up to 1080p resolution.

5. YouTube Download Plus

YouTube Download Plus is also among the YouTube video downloader for Firefox. Once you activate this extension on your Mozilla browser, you can immediately save YouTube videos on your device. It adds an icon to the Firefox toolbar that reminds you of what the available videos that you can download are. Also, it allows you to save the YouTube file in audio format. It is helpful if you want to extract the sound from the YouTube video and put it on the clip that you are editing or want it as a music file.



  • It's easy to use and doesn't take up much space on your drive.
  • It can download YouTube videos at a fast speed.

  • You can only download limited YouTube videos that have a Creative Commons license or are in the public domain.

6. Free Download Manager

Free Download Manager is the last on the list of video downloader extension for Firefox. It supports videos that are under the communication protocol of HTTP, HTTPS, FTP, and BitTorrent. Also, this extension claims that it can boost all your downloads up to 10 times faster than usual. It means that it can download several videos at high speed. Additionally, it can process large files and download multiple files simultaneously. Meanwhile, it can restore and resume broken downloads without corrupting some parts of the videos.



  • Free Download Manager is free and open-source that is safe to use with its GPL license.
  • It supports various types of Proxy servers.

  • It has a modern design interface that non-techy users find it difficult to navigate.

Download Firefox Videos on Win/Mac

AceThinker Video Keeper Lite is one of the perfect software that you can use to grab online videos on your Firefox browser. You can use it to download multiple videos without affecting its original quality. Also, it supports many popular video sharing sites such as Dailymotion, Facebook, YouTube, Vevo, Metacafe, and a lot more. Plus, it has a multi-thread function wherein you can download videos as fast as it can. Aside from that, it offers many file formats to choose from like MP4, FLV, AVI, MKV, and more. It has also a built-in web browser that you can be used to play a video from directly from the tool. With that, we provided below simple steps on how to use this awesome solution.

Try it for Free

Step 1 Download and Install the Software on your PC

First, hit one of the "Download" buttons above to get the installer of the tool. Launch the installation wizard and follow the guides to completely install on your PC. Once installed, open it to get familiar with the tool.

vklite main interface

Step 2 Download a Video From a Streaming Site

For now, we will download a video on YouTube. Open a browser then go to the site of YouTube and search for a video that you wish to download. Then, copy its URL from the address bar and go back to the tool. From here, hit the "Paste URL" button and let the tool analyze and download the video.

vklite dl yt videos

Step 3 Download a Video From a Streaming Site

Once downloading finished, go to the "Completed" option of the tool to see all the downloaded videos. Right-click on the filename and hit "Play" to preview the downloaded video or hit "Open File Location" to play the video directly on your computer.

vklite play the downloaded video

What is a Good Video Downloader?

There are plenty of video extension downloaders available online. However, how can we say that a specific add-on downloader is good or not? Here, I list down standards for a downloader to be considered an excellent and efficient video downloader.


Things to Know:

  • Accessibility: A video downloader must have a user-friendly interface, and intuitive IU controls to be not difficult to learn or understand for beginners, who want to grab videos from streaming sites.
  • Video Quality: It should support videos from 1080p to 4k resolution that allows you to experience cinematic viewing experience for a downloaded video.
  • Video Formats: A video downloader must provide plenty of popular video formats like MP4, MKV, MOV, AVI, FLV, and more to choose what video format is compatible with your media player.
  • Fast and reliable: It should work very well to download videos relatively fast without any buffering experience.
  • Conversion Feature: A video downloader should also be capable of extracting or converting videos into audio files.
  • Reliability: It must let you continue downloading videos that are interrupted due to some issues.
  • Multiple Downloading: There are a lot of videos available online that we want to grab in a single click. So, a video downloader must be capable of downloading several videos simultaneously.
  • Free: It must provide excellent features, like downloading without any limitations with no registration or payment needed.

Comparison Chart

Function Video DownloadHelper Video Downloader professional Ant Video Downloader Easy Youtube Video Downloader Express YouTube Download Plus Free Download Manager
Price $1/monthly Free Free $30/lifetime Free Free
Supported Formats MP4, WEBM and AVI MP4, FLV and 3GP MP4, WEBM, 3GP and more
FLV, 3GP, MP4 and MP3 MP4 and MP3 MP4, MKV, MOV, AVI and more
Supported Sites 100+
UStream, Fox, Bloomberg, RAI and more
20+ YouTube, Vimeo, Dailymotion, etc. YouTube, Vimeo, Dailymotion YouTube YouTube 50+
YouTube, Vimeo, Facebook, etc.
Compatibility Mozilla and Chrome Mozilla and Chrome Mozilla and Chrome Mozilla Mozilla Mozilla and Chrome
Supported Quality 480p to 1080p 540p to 1440p 720p 720 to 1080p 720 720 to 1080p
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