This Guide will show how to convert video files such as AVI, WMV, DivX, Xvid, VOB, 3GP, MP4 to ISO file format using Xilisoft DVD Creator.
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Introduction of Xilisoft DVD CreatorXilisoft DVD Creator is almost a one-click DVD movie creator which can convert video files such as AVI, MPEG, WMV, DivX, Xvid, VOB, 3GP, MP4 etc. to ISO (DVD image file), DVD video file (.vob) and burn DVD movie, which is playable on the home DVD player.
Xilisoft DVD Creator allows you to specify NTSC or PAL format, adjust video aspect (4:3 or 16:9), and either burn DVD movie disc or ISO file. The DVD Creator also has some other advanced features, such as adding and editing DVD menus, trimming video, adding chapters, skipping menus, selecting zoom method, etc, which will help you create customized DVD disc.
Xilisoft DVD Creator supports all kinds of popular DVD discs including DVD-R, DVD+R, DVD-RW, DVD+RW, DVD-R DL, DVD+R DL, DVD-RAM, DVD Folder, ISO file, and so on.
Step-by-step Guide: How to convert video files such as AVI, WMV to ISO file format.How to convert AVI to ISOStep 1.
Free download the trial version of Xilisoft DVD Creator, install and run it.
The interface is as follows:

Step 2. Click "File -> Add Video files or Add Video Folder" to import your AVI files.

Step 3. Click "Destination" drop-down list to select where you want to put your output file. Here we choose "Save as Image(.iso)...". Then change "DVD Name".

Step 4. You can edit menu by clicking "Edit" button on the right panel.

Step 5. Click "Star Burn" button to start to convert AVI to ISO.
Tips for using Xilisoft DVD Creator:1. You can click to choose a file and select a "Resize Method" for it.

2. You can convert a clip/segment of a file by setting Begin and End points on the Video Edit panel.

Ok, done.