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Multifile Upload

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This plugin adds some features to WP’s default uploading function. Works with WP 2.1.x. Has been tested with Firefox2, IE6/7 and Opera 9.2 on Windows. Other OS/browser users please let me know if have any problem.


  • Upload multiple files at a time
    • You can upload one or more files at a time.
  • Resize the images
    • Original images can be resized when uploading
    • and thumbnail size also can be specified.



  1. Download and extract the file.
  2. Upload multifile-upload directory to /wp-content/plugins/ directory.
  3. Activate “Multifile Upload” in the WordPress’ admin page

That’s it. Now you’ll see the changes in the upload interface.

Quick Instructions

  • Uploading more than one file
    • In the Upload tab, click [+add field] or [-remove] to add/reduce the upload fields
  • Resize
    • Set the size of original and thumbnail image in the Resize field. This will be the length(px) of larger side of the image
    • If the filed is left blank, thumbnail size will be 128px and original image will not be resized.

Version History

  • 1.0.1 Bug fix. upload interface wasn’t functioning when WP is installed in a subdirectory. Also removed prototype.js from the package to use core bundle one.
  • 1.0 Initial release

11 responses »

  1. Is there any way to add a rel to the link? such as rel=lightbox or the option to open it as pop up or target=”_new”…

  2. Nice plugin, many thanks!!! 😀

  3. Hmmm I just downloaded, ftped and then activated it

    but nothing

    safari and firefox on mac – not working

    will try on windoze xp machine next

  4. Nothing happens when installed?

  5. best for photo blogs! thnx

  6. I’ve downloaded the plugin and activated it, but the original upload screen remains, I don’t get the option to upload multiple files. I’m using WordPress 2.1.2 on a mySQL database. Any advice?

  7. what about an easy way to set the default image sizes?!?!

  8. After running fine for about 3 months, I’m now getting the following abort:

    Warning: getimagesize(Filetype not supported. Thumbnail not created.) [function.getimagesize]: failed to open stream: No such file or directory in /home/com/public_html/rick/wp-admin/admin-functions.php on line 2218

    Warning: Cannot modify header information – headers already sent by (output started at /home/com/public_html/rick/wp-admin/admin-functions.php:2218) in /home/com/public_html/rick/wp-includes/pluggable.php on line 331

    Is this a permissions problem maybe?

  9. Very nice plugin, one of the best.
    how could I rewrite the plugin, so that it shows e.g. 6 fields visible…that would be very nice…
    Can you help me please.

  10. Pingback: Innstikk jeg alltid instalerer på WordPress-blogger | WordPress | Temaer Innstikk Hacks

  11. i love this plugin !
    but the problem is that i upgraded my wordpress to 2.5 , and the plugin isn’t working now 😦
    please update it so it works with WP 2.5


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