Convert obu to rgba

Download and install the latest version of Filestar.
Right click on one or more Obu file(s) on your desktop and select Convert with Filestar.
Type convert to rgba in the search box.
Press Convert.

What is the difference between .obu and .rgba?

Name: AV1 OBU Video Stream; RGB Bitmap
Extension: .obu; .rgba
Format: Binary; Binary
Category: Video; Raster Image
Developer: SGI
Description: An RGBA file is a color bitmap image format created by Silicon Graphics (SGI). It is similar to the .RGB file as it supports color RGB channels with an alpha channel.
MIME Type: video/av1; image/x-rgb
Sample: sample.obu; sample.rgba
Wikipedia: .rgba on Wikipedia

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Last updated October 3, 2026