🎬 视频合并
把多段视频接成一个文件。全程不上传。
只适用于规格相同的片段。 这个工具是把各段直接复制进同一个文件，不重新编码，所以只要几秒、画质也完全不损失 —— 但前提是每一段的编码格式、分辨率、帧率与音频设置都相同。同一台相机连续拍的片段，或用同样设置导出的文件，一定符合。若你的文件规格不同，工具会指出是哪一项对不上；请先把它们转成相同设置再合并。
常见问题
Are my videos uploaded to a server?
No. The clips are joined locally in your browser. They never leave your device.
Why does it say my clips cannot be joined?
This tool joins clips by copying them into one container, without re-encoding — which keeps the original quality and takes seconds instead of minutes. Copying only works when every clip has the same codec, resolution, frame rate and audio settings. When they differ, the message names the property that does not match.
Which clips will always work?
Clips recorded back-to-back on the same camera or phone, and files exported from the same editor with the same settings. Those already share every parameter.
My clips differ. What can I do?
Run them through Video Convert first with the same output settings for each, then merge the results.
Does merging reduce quality?
No. Nothing is re-encoded — the original video and audio data are copied through untouched.
Can I reorder the clips before merging?
Yes. Drag the thumbnails to set the order, then merge.
这个工具免费吗？
是的，完全免费，无需账号、无需注册，也没有水印。