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How to Delete Final Cut Pro X Renders

December 19, 2017 1 Comment

How to Delete Final Cut Pro X Renders

In this simple tutorial we show you how to trash Final Cut Pro X's renders. It's easy and you can choose between deleting a Project or a Library's Renders right in the app. No folders to navigate or original files deleted by mistake!

There are a few reasons why you might want to trash your Final Cut Pro X renders. 

  • It's always a good start if you are seeing an unexpected jump or glitch in the viewer. Sometimes Final Cut Pro will render the middle of a clip before the transitions have been rendered. Couple that with multiple plugins applied and sometimes things can get confused. It doesn't happen often though.
  • You might want to slim down the size of a Managed Library before copying, moving or archiving. 
  • It should be on your first list of fixes to run through should you come across problems.

    So how exactly do you trash the renders?

    We would suggest you start by making sure that the Background Rendering option is turned off in the Preferences. Why? Well after you trash the Preferences, they will start rendering again!

    Turn Off Background Rendering in Final Cut Pro X

    How to trash a Project's Renders in Final Cut Pro X

    Select the Project you want to delete the renders for.

    Go: File/Delete Generated Project Files

    Trash FCPX Project renders

    You will then get a drop-down screen with options. 

    FCPX Render Delete Options

    Select 'Delete Render Files' then hit OK and they should be deleted! They will be removed from the internal Library and external cache locations.

    As you can see from the list, you also have the option to delete Optimised and Proxy media.


    How to trash a Library's Renders in Final Cut Pro X

    It's the same principle as trashing a Project's renders, but this time, you must have just the Library selected in the Browser.

    Go: File/Delete Generated Library Files

    Trashing Renders in a Final Cut Pro X Library

    This time you will get a drop-down screen similar to the previous but with the option to delete all or just unused renders.

    Trash FCPX Library Media options

    Choose what you want to delete and then click OK.

    One word of warning here. Depending on the size of Library and the speed of your storage, it can take a few seconds to tens of seconds to complete the task.

    If you try to quit Final Cut Pro X before all the renders have deleted, you will get a message warning that you are interrupting the process.


    1 Response


    April 01, 2022

    Good Explanation.

    But how can I prevent Final Cut Pro to produce these Junk files?
    On my harddrice, FC created 1,5TB of Render files that add nothing to project quality or anything.
    I disabled the options (create optimized media, …) long ago, but still FC renders small files to big junk files.

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