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Auto Crop Video

Automatically detect and remove black bars from video edges for a cleaner, full-frame viewing experience.

What this tool does

Auto Crop Video helps you automatically detect and remove black bars from video edges for a cleaner, full-frame viewing experience.

What you get

Auto Crop Video produces a direct output in this page and keeps all processing on your device, with nothing uploaded to our servers.

Free to use, no watermarks, runs in your browser—nothing uploads to our servers

Source file *

Files are processed locally in your browser using WebAssembly. This input is required.

Saved FFmpeg presets (stored locally)

Saved presets

Preset name

Framing and safe-area controls

0×0px

Upload a video to enable framing.

Safe area guide 12%

Keep important subjects away from the outer area while moving or resizing the frame.

How Auto Crop Works

This tool automatically detects black or empty borders around your video and removes them. It works best with solid black borders from letterboxing or pillarboxing.

Report a bug

If this tool misbehaves, share a quick summary so we can investigate. We include the tool URL automatically—no need to copy and paste.