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Video stream substitution

Video stream substitution is a feature in Octo Browser that allows you to replace the camera video image with any video from your device. A beta version of this feature is available in Octo Browser on Windows OS.


Restrictions on the input video file - the size and codec that the video is encoded with. By default, the file size limit is 50MB. You can only use video in mp4 or mov format, which is encoded with the h264 codec.

The video capture override button will be next to the cookie export button.

Video Spoof Button

To select a file for substitution, you must either click on the Spoof capture button, or hold down the key combination - Ctrl+Shift+L.

While the video is being replaced (this process is not instant, because the video is being converted to the desired format), the button will flash.

If the video has been successfully changed, the button will turn red. To reset the video substitution, i.e. to show the picture from the webcam back, you need to hold down Alt+Ctrl+Shift+L, or you can change it to another video by clicking on the Spoof capture button or the key combination Ctrl+Shift+L.

Video Spoof Capture

If you select a file, but the button remains gray, it means that something went wrong.

During the video substitution, files necessary for the substitution to work will be created in the profile directory.


After conversion, the size of the downloaded file may increase by several dozen times, which will reduce the space on your disk. If there is not enough disk space, then the replacement will not be successful.

After closing the profile, the converted file is deleted from the disk and is not loaded the next time the profile is launched.

If the substitution is successful, the video loops (so that the webcam image is continuous)

If the page is loaded before the substitution has occurred (while the red button is blinking), then the video from the webcam will be displayed. After the button turns red, you need to refresh the page, and the video will come from the uploaded file.

Detailed function demo: