Whether it's too bright or too dim, poor lighting can degrade the picture in your videos and make them virtually unwatchable. By adjusting your video contrast level and tweaking its brightness, you can correct this contrast—and you won't need any experience in editing video. With the help of some free software, you can adjust the contrast in your videos just as easily as you would adjust the contrast in an image file.
- Skill level:
- Moderately Easy
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Download a free copy of Imagic (see Resources). Install the program and then launch it. Click on the "Video" tab at the top of the program and use the "File Explorer" below the tab to locate the folder containing your video file.
Drag and drop your file into the window at the bottom of the program and then click on the "Edit Clip" tab at the top of the program.
Drag the "Contrast" slider to adjust your video's contrast. Alternatively, you can enter a value into the box adjacent to the slider to increase or decrease your video's contrast by a specified percentage.
Click on the "Produce" tab to export your edited video from the program.
Download and install a free copy of Virtual Dub to edit your AVI videos (see Resources). Extract the program from its ZIP file container and then launch the program. Load your video file into Virtual Dub ("File > Open").
Click on the "Video" heading at the top of the page and then select the "Filters" option from the drop-down menu that appears below the heading.
Select the "Brightness/Contrast" option from the "Add Filter" menu that pops up and then click "OK."
Click on the "Show Preview" button in the "Brightness/Contrast" menu that appears. Use the sliders below the "Brightness" and "Contrast" headings to tweak your video while using the "Preview" menu to monitor your adjustments.
Click "OK" in the "Brightness/Contrast" menu and then click "OK" in the "Add Filter" menu. Save your file ("File > Save as AVI").
Download and install a free copy of Avidemux to edit the contrast on your video files (see Resources). Launch the program after you've installed it and then load your video file into Avidemux ("File > Open").
Click on the drop-down menu below the "Video" heading and select the "Video" option from the menu corresponding to the type of video you loaded into Avidemux. For example, if you load an MPEG file, select the "MPEG-1" from the drop-down menu.
Click on the "Filters" button to launch the "Video Filters Manager." Click on the "Colors" heading and then double-click on the "Contrast" option to launch the "Contrast" menu.
Drag the sliders below the "Contrast" and "Brightness" heading to adjust your video. Drag the slider above the video box to preview your changes and click on "OK" when you're done.
Save your video ("File > Save > Save Video").
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