.AV1 file extension
To open .AV1 files on Windows, download and install VLC Media Player.
AV1 files are video files that can be opened using compatible media players. To open .av1 files, use updated software that supports the AV1 codec.
Last updated: March 19, 2026
Open on your device
Choose your operating system for a dedicated step-by-step opening guide.
How to open .AV1 files
Use these platform-specific instructions to open .AV1 files safely.
Windows
- Download and install VLC Media Player.
- Open VLC and drag your .av1 file into the player.
Mac
- Install VLC Media Player from the official website.
- Open VLC and play your .av1 file.
Linux
- Install VLC Media Player via your package manager.
- Open VLC and load your .av1 file.
iOS
- Use the VLC app from the App Store to open .av1 files.
Android
- Download VLC for Android from the Google Play Store and open the .av1 file.
Security notes
- Always download media players from official sources to avoid malware.
- Be cautious of AV1 files from untrusted sources as they could contain malicious content.
- Keep your media player updated to ensure security patches are applied.
- Use antivirus software to scan files before opening.
Can't open this file?
These are the most common causes and fixes when .AV1 files fail to open.
Common reasons
- File won't open
- Playback is choppy
Fix steps
- Ensure your media player is updated.
- Use a player like VLC that supports AV1.
Recover a deleted or lost .AV1 file
If the file was deleted by mistake or the drive was formatted, data recovery software may be able to get it back. Stop writing to that drive right away, because new data can overwrite what you want to recover.
Windows software that recovers deleted or lost files from PCs and external drives such as HDDs, SSDs, USB drives and memory cards, after deletion, formatting or a crash.
Wondershare RecoveritWindows and Mac software that recovers deleted or lost files from computers and external drives such as HDDs, SSDs, USB drives and SD cards.
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OS-specific troubleshooting
Convert .AV1 to other formats
Use conversion tools to change .AV1 files into formats your software supports.
What is a .AV1 file?
AV1 is a video coding format developed by the Alliance for Open Media (AOMedia). It is designed to be a successor to VP9 and offers improved compression efficiency. AV1 is royalty-free and optimized for internet video streaming.
Background
The AV1 format was developed by the Alliance for Open Media, which includes major tech companies like Google, Mozilla, and Netflix. It was created to provide a high-efficiency, open-source alternative to proprietary codecs like H.264 and H.265. AV1 offers superior compression, which reduces the file size of video content without sacrificing quality, making it ideal for streaming services.
The codec is particularly popular for online video platforms aiming to reduce bandwidth usage while maintaining high video quality. AV1 is supported by major browsers like Chrome and Firefox, and it is increasingly being adopted by video streaming services.
Despite its advantages, AV1 requires more processing power for encoding and decoding than older codecs. However, as hardware support improves, AV1 is expected to become more widespread.
Further reading
Authoritative resources for more details on the .AV1 format.
Common .AV1 issues
File won't open
The media player does not support the AV1 codec.
- Ensure your media player is updated.
- Use a player like VLC that supports AV1.
Playback is choppy
The device may not have enough processing power to decode AV1 smoothly.
- Try playing the file on a more powerful device.
- Ensure no other heavy applications are running.
FAQ
Why use AV1 over other codecs?
AV1 offers better compression and is royalty-free, making it cost-effective for streaming.
Is AV1 supported on all devices?
Not all devices support AV1 natively yet, but support is growing with newer hardware and software updates.
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