i would use GIMP it has a sharpen tool


and its free =)


also for slightly more quality save the images as .png not as .jpg or .bmp

yes...but the problem is I only can work with vector grapics
2nd point: Adobe Illustrator trial version is ended

so...Im screwed >.<

any other solution?
vector graphics program with sharpen tool?

EDIT: are there any extern sharper tools? I really need something like that...if it can help me