Thumbnail Grabber 2.7 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The program lies within Photo & Graphics Tools, more precisely Screen Capture.
The Thumbnail Grabber installer is commonly called thmbgrab.exe. The actual developer of the free program is Opt-In Software. We recommend checking the downloaded files with any free antivirus. The most popular versions among the software users are 2.7, 1.6 and 1.5.
From the developer:
Thumbnail Grabber is a tool to create thumbnail screenshots of web pages in JPEG or PNG format. You can choose web page size (width and height) and thumbnail image size (in percent of the web page size). This free to use application can batch process URLs and domains from a text file.
You may want to check out more software, such as Image Grabber II, Windows Snapshot Grabber or AV CD Grabber, which might be related to Thumbnail Grabber.
Screen Capture
Screen Capture