Video Aspect Ratio Adjustment Tool

Supported Video Formats:

• MP4: The most popular video format with the best compatibility
• WebMNetwork video format with high compression efficiency
• MOVApple QuickTime format
• MKVMatroska multimedia container format
• AVIWindows video format

Aspect ratio options:

• 16:9Standard widescreen, suitable for TV, computer, and online videos
• 4:3Traditional TV ratio, old-fashioned screen standard
• 1:1Square, ideal for social media like Instagram
• 9:16Vertical screen, perfect for mobile short videos (TikTok, Reels)
• 21:9Ultra-wide screen, cinema experience
• CustomManually enter a custom ratio

Adjustment method:

• Add black barsPreserve the entire image by adding solid color padding in blank areas, no cropping
• Crop imageCenter-crop to target ratio, fills the frame, some edges may be cut off
• Stretch imageForce stretch to target ratio, image may become distorted

Steps:

1. Select the video file you want to adjust the aspect ratio for
2. Select Target Aspect Ratio
3. Choose Adjustment Method (Fill/Crop/Stretch)
4. Select Output Format, Quality, and Other Settings
5. Click the "Start Adjustment" Button
6. Wait for Processing to Complete and Download the Video

Note:Video processing takes some time. The duration depends on the video size and quality settings. Please be patient.