Downloading Img4Web 3.1 for Mac from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this app available. This software for Mac OS X is an intellectual property of Tomoyuki Okawa.
The app's installation file is commonly found as img4web_beta_1100b.zip. Img4Web for Mac is categorized as Design & Photo Tools. The most popular versions of the software are 2.1 and 1.1. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe.
From the developer:
* 50% off (US$9.99 to 4.99 or equivalent in all price regions) till June 30, 2013 *
Quick introduction: Create thumbnail images, generating HTML code at the same time
// Introduction //
Img4Web lets you batch-create thumbnail images out of source files you specify. The purpose of using Img4Web is not just to create thumbnail images. Img4Web will automatically generate web code for displaying thumbnail and source images in a HTML table.
You may want to check out more Mac applications, such as Cuadro or Resize Now, which might be related to Img4Web.