This plugin hasn’t been tested with the latest 3 major releases of WordPress. It may no longer be maintained or supported and may have compatibility issues when used with more recent versions of WordPress.



Image will be shrink in the case of automatic JPEG and PNG format to upload the image.
There are the following features in isShrinker WordPress Plugin.

Can specify the maximum file size.
Keep aspect ratio.
Convert image inclination from inclination information of image

If you upload, such as iPhone app slope of image because reduced after correction
it appears in the blog exactly as it appears in the iPhone.

The maximum file size of the image is 50KB by default
Length of the long side of the image is 640px by default
And it is with, but you can change from the management screen of WordPress.

Upload png image ‘watermark.png’ to plugin directory and then watermark will be enable.
Watermark add on right bottom of image.
If watermark enabled water mark transparency setting is enable.

Arbitrary section 1


  1. Upload isshrinker.php to the /wp-content/plugins/ directory
  2. Activate the plugin through the ‘Plugins’ menu in WordPress




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Contributors & Developers

“isShrinker” is open source software. The following people have contributed to this plugin.


“isShrinker” has been translated into 1 locale. Thank you to the translators for their contributions.

Translate “isShrinker” into your language.

Interested in development?

Browse the code, check out the SVN repository, or subscribe to the development log by RSS.


1.4 – March 2, 2016

Add .JPEG extention as JPEG IMAGE(For Mac).
Added watermark.

1.3 – April 16, 2014

Added a filter function.

1.2 – April 9, 2014

Internationalization(Japanese only)

1.1 – April 9, 2014

Increase the setting item, we implemented a radio button.


  • New release.