巧视频-视频加水印 is a free iPhone application developed by 定 李. It falls under the category of Utilities & Tools and offers a range of useful features.

With this app, users can easily manipulate their videos in various ways. They can remove audio from videos, add their own voiceovers, or insert new sound effects. This feature is particularly handy for those who want to replace the existing audio in their videos or add their personal touch.

Another useful feature of 巧视频-视频加水印 is the ability to add watermarks to videos. Users can choose to add text watermarks or select an image from their photo library as a watermark. The app provides a simple three-step process to add watermarks, allowing users to position and resize them as desired. The preview feature ensures that the final video will not have any deviations.

In addition to adding watermarks, the app also allows users to add subtitles and cover images to their videos. Users have full control over when the watermarks appear in the video, providing flexibility in their video editing process.

巧视频-视频加水印 offers several other features as well, including the ability to crop videos to any desired size and duration. Users can also rotate videos in three different directions. The app also provides a quick and straightforward way to compress videos and modify the video bitrate. Furthermore, users can extract audio from videos of any length.

All of these features are available for free, without the need for an internet connection, login, or any in-app purchases.