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If you are not afraid of the command line you could use the tools by ImageMagick mogrify -resize "3000x3000>" -quality 85 *.jpg 3000 here is just a number of pixels, > guarantees either width or height to be of that size. 85 determines the quality of you batch images.
Try Irfanview. press the key 'B' will open a seperate menu for batch conversion. there you can add any no of images, you also have an advanced menu. http://www.irfanview.com/
XnView allows you to batch process files, while adding all sorts of filters. You can probably achieve something similar as "sharpen, quality 38, blur 0.3" by fiddling a little bit with all the options and filters.
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