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How to Download AV1 Video from Browsers?

Have you met these trouble when you are watching videos on browsers?

- Too much ads
- Long time of buffering
- Missed video resource
- Need for network connection

How to solve these problems? Easy. Download your favorite videos with a video downloader. When you download target videos, you may see many options included. Video codec is one of the must-have parameters.

Speaking of video codec, the latest video codec is AV1 codec which is loyalty-free and open-source video codec. It provides 30% improved compression efficiency than HEVC and V9. Why AV1 codec is mentioned? AV1 codec expands rapidly and it has been supported by mainstream browsers, including Google chrome, Firefox and Opera. Besides, YouTube, Netflix ,Vimeo and Twitch are the content providers of AV1 codec. People will have more chance to download AV1 video. So how to download AV1 video? Before Downloading AV1 video, let’s have a glance of the browsers supporting AV1 Codec:

Part 1. Browsers Supporting AV1 Codec

Google Chrome: Google is also one of the governing members of AOMedia and it also contribute to promoting the development of AV1 codec. Google chrome have supported AV1 codec (since version 70 on October 2018.)

Firefox: As the subsidiary of Mozilla Foundation which is one of the governing member of AOMedia, there is no doubt that Firefox will support AV1 codec. On May 2019, AV1 codec is supported in version 67.0. It is enabled by default on all desktop platforms - Windows, OSX and Linux for both 32-bit and 64-bit systems.

Opera: A freeware web browser for Microsoft Windows, Android, iOS, macOS, and Linux operating systems. It has supported AV1 codec since version57 on November 28th, 2018.

Part 2.The Issues of Downloading AV1 Video from Google Chrome, Firefox and Opera.

AV1 is a new video codec and not many video software support downloading video with this video codec. If use your previous method of downloading av1 video from browsers, there may be the following issues:

  • Cannot download from browers.
  • Lags appear sometimes.
  • Not compatible in some iPhone,iPad, Mac and some TVs.
How to solve above issues and download AV1 video? A video downloader compatible with AV1 codec is a good choice. Video software and web extension are the common methods.

Part 3. Video Software to Download AV1 Video from Google Chrome,Firefox and Opera

The recommended video downloader is WinX HD Video Converter Delux which is a professional video converter, video downloader and video editor. It supports AV1 decoding, AV1 transcoding: AV1 to HEVC, MP4, H.265 and downloading AV1 video. It enables you to download AV1 from any browsers supporting AV1 codec without loss of quality.

Also, no matter what the resolution of this AV1 video is, it can be downloaded fast. Besides, the downloaded video can be perfectly compatible with your devices because WinX HD Video Converter Delux provides rich options of size, resolution, codec and format for target videos.

How to download AV1 video from browsers with it?

Step 1: Download WinX HD Video Converter Delux. Make sure you have download the correct operating system. Both Windows and Mac are supported.

Launch the software and find the section: YouTube URL. Actually, not only YouTube content but also more than 1000 sites content can be downloaded with WinX HD Video Converter Deluxe. Click the button and jump to the page of video downloader.

Step 3: Copy the URL of your video and paste it to the blank space. Click "analyze" button to analyze your video URL.

download AV1 video

Please mind that you can choose the destination folder and check your destination video here.

Step 4: After a moment, the info of this video will be displayed as followed. You can choose the destination output with appropriate resolution, formats, size and codec. Then click "ok".

Step 5: Click "Run" button to start downloading. Then the task starts and specification will show as followed.

After about 2-3 minutes, the AV1 video has been downloaded from Google chrome. Let’s check its quality. The destination video has been downloaded and it can be played smoothly.

Note: AV1 videos downloaded from the browser or other streaming sites are generally saved in .webm or .mkv. If you cannot play the WebM AV1 video smoothly, you can follow the guide to convert webm to mp4 first.

Part 4. Web Extension to Download AV1 Video from Firefox and Chrome

The recommended web extension is Video Downloadhelper which is a video downloader and video downloader. It enables downloading AV1 video from Firefox and Chrome easily. Besides, it also provide the options of resolution, size and format of for target video. You will have the video compatible with your devices.

So let’s follow the steps to download AV1 video with Video Downloadhelper.

  1. Find "Video Downloadhelper" on add-on market in Firefox and add it to web extension.
  2. Open the destination video website and playback it.
  3. Click the icon of the extension and choose the download function.
  4. The noticing windows will pop up and you need to download the application to use the download function.
  5. After installation, go back to Firefox and click the icon to start downloading.
  6. After 4-5minutes, the video has been download completely and can be played formally


  • Both video software can download AV1 video and both are easy to use.
  • WinX HD Video Converter Deluxe’s download speed is faster than Video Downloadhelper.
  • WinX HD Video Converter Deluxe’s provide more resolution and format options than Downloadhelper.

Knowledge Extension:

How to Know Whether the Video is AV1 Video in Google Chrome, Firefox and Opera?

If you want to playback video of AV1 codec on these browsers? You can follow these steps:
A. Visit and choose "Always prefer AV1" in Google Chrome.

B. Visit AV1 Beta Launch Playlist on YouTube. YouTube has supported AV1 codec since September 15, 2018.
C. Choose one video of the playlists to playback. You can right click and choose "stats for nerd" to make sure that the video is AV1. If it shows "AV01" in codec section, it is AV1 video.
Check video codec


author - Donna Peng

Donna Peng twitter icon

Donna Peng's fascination with multimedia began at an early age - shortly after she licked the physical disc and then she's been obsessed ever since. Her decade-long career at Digiarty after the graduation has seen her unmatched expertise in the field of DVD, digital video, software and anything related to home theatre. She is currently fascinated with photography.

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