Crop Video

Crop a video to a square, 9:16 or 16:9 for Instagram, TikTok, Reels or YouTube.

Select a video file

Crop a video to a square, 9:16 or 16:9 — for Instagram, TikTok, Reels or YouTube. Runs in your browser.

点击选择，或将文件拖到此处

如何 Crop Video

1
Add your video
Drop in an MP4, MOV or WebM clip.
2
Pick an aspect ratio
Square, 9:16, 16:9 or 4:3 — the crop is taken from the centre.
3
Crop and download
Click Crop; the video is re-recorded at the new shape.

Is my video uploaded?+

No. It's cropped by re-recording from a canvas in your browser.

Can I choose where the crop is?+

This version crops from the centre. For an off-centre subject, move it toward the middle in another editor first.

Does it re-encode?+

Yes, in real time — best for short clips. The audio is kept.

Which ratios are there?+

Square 1:1, portrait 9:16, landscape 16:9, and classic 4:3, plus keeping the original.

你们会把我的文件上传到服务器吗？+

不会——这里的每个工具都完全在你的设备上处理文件，不会向服务器上传任何内容。唯一的例外是 AI 工具，它们会把提取的文本（而非文件本身）发送给 Claude 来完成工作。

有文件大小限制吗？+

我们没有人为设置限制，但由于处理过程在你的浏览器中进行，非常大的文件（超过 500MB 或 1000 页）会受到你设备内存的限制，而非我们的限制。