Right Click Image Converter 

Convert between image formats from the Windows shell. Supports JPG, BMP, PNG, GIF, ICON, and several other file formats. Also can rotate/resize images. Right click on a file or a group of files in Windows, and select Convert to. As simple as that.
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AnyToJpeg 

Converter "AnyToJpeg" allows you to convert any image to jpeg-format and edit it by means of such function as rotating, stretch, crop, border, etc. It is easy to use and does not require any special skills.
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AnyToGif 

Converter "AnyToGif" allows you to convert any image to gif-format and edit it by means of such function as rotating, stretch, crop, border, etc. It is easy to use and does not require any special skills.
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