How to Unflip Mirrored Videos using Video Players

Once in a while you'll come across a video whose image has been mirrored or flipped horizontally. Often one does not notice any difference in the video up until some text like titles or captions are come onto the screen. It's here you realize the video has been mirrored.

The usual suspects here tend to be videos uploaded on video sharing sites like YouTube and Dailymotion. I assume this happens either due to purposefully or by mistake using a miror effect during recording/editing a video.

Whichever the case, some videos are rendered slightly unwatchable in this state. To correct this, one may be forced to re-edit the video on a video editor though some video converters do support this.

However, this is too drastic a measure that can be rectified much easily by having a video player unmirror/unflip the video "on the fly" while its playing it. Let see a couple of Windows' video players that support this feature and how it's done.



Unflip Playing Video with VLC


To unflip a Video on VLC Media Player do the following:

1. Open the video with the VLC and pause it or leave it playing.

2. Press Ctrl+E to open the Adjustments and Effects options.

You can also access this option by clicking the Extended Settings button or by going to Tools > Effects and Filters on the toolbar.
extended settings
Extended Settings Button

3. Inside the Adjustments and Effects window, select the Video Effects options then Geometry settings.

4. In the Geometry settings check the Transform option then below it select Flip Horizontally from the drop down menu.
adjustments and effects
Adjustments and Effects options

Your video should now be unflipped. Remember to disable this option when you play a normal video that's not flipped.


Unflip Playing Video with PotPlayer


1. Open the video with Potplayer.

2. Now just press Ctrl+Z to unflip or flip the video while its playing. You can also unflip the video by Right-clicking > Video > Video processing > Flip Horizontal



Unflip Playing Video with MPC-HC (Media Player Classic)


Before we can flip a video with MPC-HC, we first need to make sure the renderer it's using supports rotation.

1. Go to the Settings (O) then select the Output settings. Now just make sure the renderer that's selected supports the Rotation option.
video renderer
Video Renderer supports Rotation

2. If it doesn't, select a different renderer from the drop down menu that supports rotation such as:
  • Enhanced Video Renderer (custom presenter)
  • Sync Renderer
  • Video Mixing Renderer 9 (renderless)

3. Now just open your video and with the Num Lock On press Alt+Num6 to unflip it. Press the same keys to toggle the setting back to normal.



Unflip Playing Video with GOM Player


1. Open the video with GOM Player.

2. Now just press Ctrl+J to unflip or flip the video while its playing. You can also unflip the video by Right-clicking > Video > Mirror - Output.

Kelvin is a writer and registered nutritionist based in Nairobi. Passionate about writing and helping people solve problems, he's been actively blogging since 2014 on tech, nutrition and "pseudo poetry".



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