Aiseesoft 3GP Video Converter can convert not only videos, but also audio files including MP3, MP2, AAC, AC3, WAV, MID, MIDI, WMA, M4A, RA, RAM to MP3, WAV audio format. As the best customer-oriented 3GP Video Converter software, Aiseesoft 3GP Video Converter provides rich functions such as merging several videos into one file, trimming any clip of video, cropping video size and so forth. Key Features Merge several videos into one file Aiseesoft 3GP Video Converter software provides an easy way to combine and join multiple videos together with most video formats supported, such as AVI, MPEG, WMV, MP4, DivX, MOV, 3GP, ASF, etc. Just select the videos you want to join and check the “merge into one file” check box you can finish it easily. Cut any clip of video (Trim) Aiseesoft 3GP Video Converter software provides “Trim” function to help you cut any clip from the original video. You can set the “Start Time” and “End Time” of the clip you want to get or just drag the slide bar to the accurate position to achieve it. Crop Video Size Aiseesoft 3GP Video Converter software allows you to remove black edge of your movie and get any playing area of the video by using its “Crop” function. You can also select the “Zoom” mode to extrude your video slightly to adjust to your portable devices so you can get the best video quality Capture your favorite image If you like the current image of the video you can use the “Snapshot” option. Just click the “Snapshot” button the image will be saved and you can click the “Open” button next to “Snapshot” button to open your picture. Support Preview You can preview the source video and edited video. All Encoders and Decoders are built in Fully support all popular video and audio formats. Fastest Conversion Speed Provide the fastest conversion speed (>300%), completely support dual core CPU.