How to change video brightness
1. Drop a short video you already have. A GIF or an audio file is refused here. 2. Leave brighter, or pick darker, a little brighter or much brighter. 3. Press “Change brightness” and download the MP4.
GustKit runs the FFmpeg eq filter. Darker subtracts 0.12. A little brighter adds 0.06. Brighter adds 0.12. Much brighter adds 0.22. The picture is re-encoded. A soundtrack is kept when the file has one. Width and height stay the same.
A short clip, a new MP4
Adjust brightness changes a photo on the canvas and can also change contrast. This page changes only the brightness of a short video. The download is always MP4, because every frame is re-encoded. Clips stay within the limit shown next to the button.
The clip stays in this tab
FFmpeg runs in this browser on one CPU thread. GustKit does not fetch a video from a link. Leave the tab open until the download appears. Close it and the file is gone.
How to check the brighter clip
1. Play the download next to the original. 2. A gray wall should look lighter on Brighter and darker on Darker. 3. If the frame grew, you added a border on another page.
Adjust brightness changes a photo and can also change contrast. This page changes only video brightness with the eq filter and saves MP4. Nothing is uploaded.