A stamped DVD may require more space than is available on a writeable DVD, unless shrunk. Many commercially released video DVDs are dual layer (8.5 GB) DVD Shrink can make a shrunk copy which will fit on a single-layer (4.7 GB) writeable DVD, processing the video with some loss of quality and allowing the user to discard unwanted content such as foreign-language soundtracks.ĭVD Shrink is designed to be easy to use. It is contained within a single executable file that is one megabyte in size. The program features a DeCSS decryption algorithm, enabling it to open and decrypt many currently available DVDs, although it is defeated by some newer copy protection techniques. As well as this, it can open DVD files contained in a VIDEO_TS folder or a disk image (ISO, IMG, NRG or MDS/Ixx). The DVD video may then be re-encoded by the application's VBR encoder.

The user is able to choose how the compression is to be distributed across the DVD.

DVD Shrink can automatically re-compress video, to as little as 39% of its original size, depending on the aspect ratio of the original DVD (with a corresponding loss in quality) to allow it to fit on a standard DVD±R(W), a Dual-Layer DVD+R, or any user-defined custom size. When 'Deep Analysis' and 'Adaptive Error Compensation' options are selected, the quality of the resulting DVD is improved. These options are more time-consuming because DVD Shrink runs through the DVD once doing the analysis, and then again doing the transcoding.

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