< snip > > But a much better and simpler idea is to just use a > number range from 1..13, similar to photoshop. > > I'll take that over to the developer's list.
Is this any help, I came across it a long time ago? Here is a table that provides an approximate mapping between Photoshop quality levels and GIMP (actually IJG JPEG library) quality levels: Adobe Photoshop quality 12 <= GIMP quality 98, subsampling 1x1 Adobe Photoshop quality 11 <= GIMP quality 95, subsampling 1x1 Adobe Photoshop quality 10 <= GIMP quality 93, subsampling 1x1 Adobe Photoshop quality 9 <= GIMP quality 91, subsampling 1x1 Adobe Photoshop quality 8 <= GIMP quality 90, subsampling 1x1 Adobe Photoshop quality 7 <= GIMP quality 89, subsampling 1x1 Adobe Photoshop quality 6 <= GIMP quality 90, subsampling 2x2 Adobe Photoshop quality 5 <= GIMP quality 89, subsampling 2x2 Adobe Photoshop quality 4 <= GIMP quality 88, subsampling 2x2 Adobe Photoshop quality 3 <= GIMP quality 88, subsampling 2x2 Adobe Photoshop quality 2 <= GIMP quality 87, subsampling 2x2 Adobe Photoshop quality 1 <= GIMP quality 86, subsampling 2x2 Adobe Photoshop quality 0 <= GIMP quality 85, subsampling 2x2 Norman _______________________________________________ Gimp-user mailing list Gimp-user@lists.XCF.Berkeley.EDU https://lists.XCF.Berkeley.EDU/mailman/listinfo/gimp-user