Remove Black Bars from Video Online
Automatically crop black borders from your video. Remove letterboxing from MP4, MOV, AVI and other formats in seconds.
Tip: After remove black bars, open the editor to add text, subtitles, or resize your video.
Before & After: Black Bars Removed
Drag the slider to compare the original video (with black borders) and the cropped version. This is how “remove black bars from video” looks in practice.
Remove Black Bars from Video
Black bars around a video appear when the video aspect ratio does not match the screen format. For example, a 4:3 video displayed on a 16:9 screen may create black borders on the sides, while widescreen videos can create black bars above and below the image.
Our tool automatically detects and removes black borders from your video. The video frame is cropped to the visible area so the result fills the screen without unwanted letterboxing.
Automatically Crop Black Borders
Instead of manually editing a video frame, this tool analyzes the video and crops black bars automatically.
This works for:
- black bars on top and bottom
- black bars on the sides
- letterboxed videos
- pillarboxed videos
Supported formats include:
- MP4
- MOV
- AVI
- WebM
- MKV
The process runs directly in your browser — no software installation required.
Once the borders are removed, the cleaned video can be downloaded immediately.
Why Do Videos Have Black Bars?
Black borders appear when the aspect ratio of the video does not match the playback screen.
Common examples: 4:3 video on a 16:9 screen, vertical videos inside horizontal frames, cinematic letterboxed videos.
Removing these borders helps your video fill the screen and look more professional.
When to Remove Black Bars from Video
Social Media Videos, Screen Recordings, Video Editing, Mobile Videos
Popular use cases
- Remove borders before uploading videos to Instagram, TikTok, or YouTube.
- Many screen recordings include black borders that reduce visible content.
- Clean up videos before adding them to presentations or editing software.
- Fix videos recorded with incorrect aspect ratios.
Need to Edit Your Video?
After remove black bars, you can continue editing your video: add subtitles, trim video, add text overlays, resize for social media
Frequently Asked Questions
Why does my video have black bars?
Black bars appear when the video aspect ratio does not match the display format.
Can I remove black bars automatically?
Yes. This tool detects and crops black borders automatically.
Will removing black bars reduce video quality?
No. The tool only crops unused borders and keeps the original video quality.
What video formats are supported?
MP4, MOV, AVI, WebM and other common formats.
Can I remove black bars from vertical videos?
Yes. The tool works with both horizontal and vertical videos.