Free Online Video Converter
Convert your videos quickly and securely in your browser. Transform MP4, WebM, MOV, MKV, and AVI files without uploading them to a server.
Online Video Converter
Convert videos online to MP4, WebM, MOV, MKV and AVI. Select your video, choose an output format and convert your file directly in your browser.
Choose a Video
Click to select a video or drag and drop it here
MP4, WebM, MOV, MKV, AVI and other video filesFree Online Video Converter
Atlasaro Video Converter is a browser-based tool for converting video files between popular formats. Select a video from your device, choose the required output format and download the converted video when processing is complete.
Video processing is performed directly in your browser using FFmpeg WebAssembly. Your original video does not need to be uploaded to an external video conversion service.
How to Convert a Video Online
- Click Choose a Video and select your video file.
- Choose the format you want to convert the video to.
- Select the desired video quality.
- Click Convert Video.
- Wait until the conversion is finished.
- Click Download Converted Video.
Supported Video Formats
The converter interface supports popular video formats including MP4, WebM, MOV, MKV and AVI. Actual conversion support depends on the codecs included in the FFmpeg WebAssembly build installed on the website.
Is My Video Uploaded?
The conversion is designed to take place inside your browser. Your selected file is processed locally by the FFmpeg engine instead of being sent to a separate online conversion server.
Frequently Asked Questions
Is this video converter free?
Yes. The online video converter is designed as a free browser-based conversion tool.
What video formats can I convert?
The converter interface provides MP4, WebM, MOV, MKV and AVI as output options. The exact codecs available depend on the installed FFmpeg build.
Does the converter upload my video?
The conversion is performed in the browser using FFmpeg WebAssembly, so the video can be processed locally on your device.
Why does a large video take longer?
Video conversion requires considerable CPU and memory resources. Larger files, longer videos and higher resolutions generally require more processing time.
Can I use the converter on a phone?
Yes. The interface is responsive and can be used on modern mobile browsers. Processing very large videos may require more memory than a mobile device has available.