How to Edit AVCHD Files
It's most likely that you want to edit AVCHD videos recorded by your high-definition camcorder, so you can keep or share your sweet memories with others. However, it's not easy to do this. Many common editing tools don't support AVCHD formats. Of course, there are some available for editing AVCHD, but quite expensive. Here, I'll strongly recommend the best AVCHD editor — Wondershare Video Editor, which has the advantage of powerful function, easy to use, and reasonable price. The following is the step-by-step guide to show you how to edit AVCHD files with the best AVCHD editing software.
Download, install and run this AVCHD editor. And then follow the guide here.
Step 1: Import AVCHD files to the User's album
Click "Import" option to import AVCHD videos from your computer to the album of this AVCHD editing app. Also, you can directly drag AVCHD files from the computer to the User' album.
Note: If your AVCHD files are on your camcorder, you need to connect it to the computer, and then take the AVCHD videos off.
Step 2: Drag AVCHD files to the User's Timeline
Drag one or several AVCHD files from your Album to the Timeline at bottom. Note that please don't cover one video to another unless you want to split it. To add multiple files better, you can drag the slide bar (next to Create button)to adjust the view size of the Timeline.
Step 3: Edit AVCHD files
Select your wanted video clip on the Timeline and then right click it and then select Edit option, or directly double click on the media clip to open the editing panel, where you can rotate, crop video, and change video effect and speed in video bar, edit audio track in Audio bar.
If you want to trim video to the specified length, click the video clip, mouse over its left or right edge to show the "double arrow" indicator, and then drag it to any length you want.
To split a video clip, you need to select it by clicking, drag the top of the red Time Indicator to any position you want, and then click "scissor" button.