AV1 to MP4 Converter Online Free
Convert your AV1 (AV01) encoded videos to standard MP4 (H264) format — free, fast, and online!
Video File (AV1)
Drop your .mp4, .mkv, or .webm file here or click to upload
File Size: -
Error
How to Convert AV1 to MP4 Online
Upload your AV1 video
Drag and drop your AV1 video file (.mp4, .mkv, or .webm) into the converter or click to browse your device.
Start conversion
Click the Start Conversion button. Our servers will re-encode your AV1 video to H264 MP4 format.
Download your MP4 file
Once the conversion is complete, click Download to save your universally compatible MP4 file.
AV1 vs MP4 (H264): Why Convert?
AV1 (AV01 codec) delivers superior compression, but H264 MP4 remains the most widely supported video format across all devices and platforms.
| Feature | AV1 (AV01) | MP4 (H264) |
|---|---|---|
| Compression | Excellent — up to 50% smaller files | Good — larger files at same quality |
| Device Support | Limited — newer devices only | Universal — plays on any device |
| Smart TV / Console | Rarely supported | Fully supported |
| Video Editors | Limited support | All editors support H264 |
| Social Media Upload | May be rejected | Accepted everywhere |
Frequently Asked Questions
What is AV1 and why convert to MP4?
AV1 (also known as AV01) is a modern, royalty-free video codec developed by the Alliance for Open Media. It offers excellent compression but many devices, smart TVs, and video editors cannot play AV1 files. Converting to MP4 with H264 encoding produces a universally compatible file that works everywhere.
What AV1 container formats are supported?
We accept AV1 video in MP4, WebM, and MKV containers. The output is always a standard H264-encoded MP4 file for maximum compatibility.
How long does AV1 to MP4 conversion take?
Conversion time depends on your file size and length. Our high-performance servers handle the heavy lifting, so most conversions complete within a few minutes. You can track progress in real-time.
Will I lose quality converting AV1 to MP4?
Our converter uses high-quality settings (CRF 23) to maintain excellent visual quality. While re-encoding always involves some generational loss, the difference is minimal and imperceptible for most content.
Is the AV1 to MP4 converter free?
Yes, Convertr.org is 100% free to use. There are no hidden fees, no registration required, and no watermarks added to your converted videos.
Is my AV1 video file secure during conversion?
Absolutely. Your files are processed securely and automatically deleted from our servers after conversion. We never share, store, or access your files beyond the conversion process.
What is the difference between AV1 and AV01?
AV1 and AV01 refer to the same codec. AV1 is the common name, while av01 is the codec identifier string used in video containers and media information tools. Both describe the same video encoding format from the Alliance for Open Media.
Can I convert AV1 videos on my phone?
Yes, Convertr works on any device with a web browser — iPhone, Android, iPad, or desktop. No app installation required. Simply open the page and upload your AV1 file.
Why convert with Convertr?
Free Service
Convert your videos completely free! No hidden costs or limitations.
Fast Online Conversion
We handle encoding on high-performance servers so you get results quickly.
Universal Compatibility
The converted MP4 (H264) file plays on every device, browser, TV, and video editor.