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Resize Image After Upload
[resolved] Resize already uploaded images (7 posts)

  1. Abhimanyu Singhal
    Member
    Posted 10 months ago #

    I am running a WP Multisite for creating portfolios. Since I noticed users uploading images of 6000x6000px, this is the plugin I need.

    But, can I do something about the existing uploaded images?

    Thanks in advance.

    http://wordpress.org/extend/plugins/resize-image-after-upload/

  2. JEPSONRAE
    Member
    Plugin Author

    Posted 9 months ago #

    Hi, sorry for the really long delay in replying; we're not notified of new posts so weren't aware of your question.

    Basically, the best way for existing images would be to download the ones on your server to your local machine using FTP, then run them through a batch-resizing process in Adobe Photoshop, Adobe Fireworks, or any other decent graphics package. Once complete, you can just re-upload the images to the same place with the same filenames, but at the reduced size.

    If you don't have any graphics software, you can grab 1 month trials from the Adobe website which you can use unrestricted for a month. My recommendation would be Adobe Fireworks as it's a lot simpler to use than Photoshop.

    Here are some instructions for using Fireworks batch resize:
    http://www.entheosweb.com/fireworks/batch_processing.asp

    Note that you would be using "Scale > Scale to Fit Area" rather than scale by percentage as in those instructions. Then set the area to match the settings you use for this plugin.

    Remember to keep backups of the originals on your local machine though just incase the new smaller ones aren't correct.

    I hope that helps,
    Phil

  3. James Mehorter
    Member
    Posted 7 months ago #

    +1 for this as a feature. We have thousands of images which have ballooned our storage to 4+ GB. There is no way I could download all those originals and resize them manually.

  4. Aaron Axelsen
    Member
    Posted 6 months ago #

    Is this on a feature list of the plugin?

  5. JEPSONRAE
    Member
    Plugin Author

    Posted 6 months ago #

    Hi,

    I'm afraid not as this isn't how our plugin works. Our plugin hooks into the WordPress upload function and runs as soon as the image is uploaded to the server (before it's even saved). To resize existing images would require having to create completely different functionality that we simply haven't got time for in a free plugin.

    Try this plugin as I think it does what you require (no guarantees):
    http://wordpress.org/plugins/bulk-resize-media/

    Hope that helps,
    Phil

  6. giulioplay
    Member
    Posted 5 months ago #

    Thank you for your help. When I re-upload the optimized image in the same location, in the media panel I see the old size (width/height) of the original image. How can I solve this problem?

  7. JEPSONRAE
    Member
    Plugin Author

    Posted 5 months ago #

    I think this is a caching issue with WordPress in that it stores data for images based on filename - therefore if you upload the same filename, it retains the old size data. Try renaming your file and uploading it again to see if that helps.

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