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3.40 (latest version)
Windows XP, Windows Vista, Windows 7, Windows 8, English
STGThumb is a simple and lightweight program for converting images to JPG thumbnails so as to better share and publish them on the Internet. The output can be improved in terms of quality.

Key Features

  • Conversion: once installed on the system, STGThumb enables users to import several image files such as AVI, TIF, PNG and ICO. They will all be encoded to JPG thumbnails so as to be easily uploaded to any Website.
  • Image retouching: STGThumb can automatically rotate images so as to get it a better fit. Apart from that, it is also possible to add special effects to them. Indeed, it is possible to apply Blur, Grayscale, Emboss and Drop Shadow, to name just a few.
  • Output: it is possible to create HTML albums as well as HTML Slide Shows with simple clicks of the mouse. A 3D effect can be added to them if needed be. The file list can be printed to paper version and adding watermarks on the image is feasible with an aim to protect it.


  • STGThumb supports batch process.
  • The intuitive interface is making it simple to handle.


  • This is a shareware version.


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Alternative spelling: stgthumb-3.40.exe, stgthumb.exe