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iMovie '08 Library Compressor is a simple program to reduce the size of your iMovie '08 library. This application will compress all the DV files in your iMovie library to save huge amounts of disk space! Using H.264 compression, you can shave as much as 93% of the space of your raw DV files! This is a simple applet, just double click it, select your chosen compression settings (from a pristine copy that shaves off 10% of the file size to a clip that's 93% smaller than the original, and only suitable for posting on YouTube), and let it work its magic. Your library will sweat off the pounds, and your original raw DV files more...

What's New

  • This version works with SetFile installed in /usr/bin as well as in the default /Developer/Tools directory.


*Previously available here

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iMovie '08 Library Compressor User Discussion

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Bucho Member IconComment+13

Anyone try this with iMovie '09?

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Version 1.2
Juvenal Member IconReview+0

If you've been having trouble with iMovie 08 for 2 reasons, you need this script:

*Caution* This software requires installation of QuickTime Pro and Apple's XCode Developer Tools (or just the setfile command). Also, the Project Library will require rebuilding. The workflow is to compress and THEN edit.

1) If your iMovie Library is simply too large with all those DV files. This utility compresses them in place using an editable format, renames them using the original iMovie 08 library system, and then moves the original footage to an archive folder. you can then edit the .MOV files instead of the massive DV files. Very useful and efficient.

2) If you want to edit-in-place your iMovie files using QuickTime Pro, bypassing the downgraded standard definition (SD) qualities of iMovie 08. This utility lets you use QuickTime Pro to access the iMovie 08 file and naming system, working on the DV or compressed movies while preserving the metadata.

So far this utility only works on movies imported directly into iMovie 08.

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Version 1.2
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> 5 1


Current Version (1.x)


Downloads 6,109
Version Downloads 5,020
License Free
Date 29 Feb 2012
Platform OS X / PPC 32 / Intel 32
Price Free