Is there a free video converter that allows you to adjust color settings (filters) like brightness, contrast, and gamma?

I read Free, lightweight, all-in-one, audio and video format converter (well, I asked it), but from the list of answers, I know that Handbrake, Freemake, WinFF (though this says nothing about ffmpeg itself), and Format Factory don't support filters.

I'm looking for free (gratis), non-command-line software for Windows.

2 Answers 2


I can't believe that in the other question no one mentioned Avidemux.

  • free / open-source
  • cross-platform
  • graphical interface
  • filters for hue, contrast, brightness, color and many others (from Video menu - Filters)

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FFMPEG is fast and free plus has 100's of video & audio filters. Of these the eq filter allows brightness, contrast, saturation and approximate gamma adjustment.

It is a good idea to have a read of the FFMPEG documentation and test your command on a short section of your movie so that you don't spend too long finding the settings that work for you. I have seen reports that the filters will only apply while re-coding so you may need to convert to another format first if you wish to stay in the existing format.

An example command line, from this blog, is one to correct for florescent lighting:

ffmpeg -i all.m2ts  -vf eq=1:0:1.3:1:1:0.9:1:1 -c:v libx264 -c:a libfaac temp0.mp4

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