Postscript.dll

Why? Because postscript.dll doesn't just call PostScript functions. In many versions of Windows, it contains a tiny, stripped-down PostScript interpreter (partially based on code from Adobe, licensed decades ago). When a non-PostScript printer receives a complex PS job, this DLL essentially runs that code inside your computer and hands the resulting raster image to the printer.

Your CPU becomes a virtual PostScript printer. You might think, "We have PDFs now. We have AirPrint. We have driverless printing. Surely this DLL is obsolete." postscript.dll

With Windows Vista, Microsoft introduced the , hoping to replace PostScript with a Microsoft-controlled standard. It failed. Then Windows 8 pushed WSD (Web Services for Devices). Still, PostScript refused to die. When a non-PostScript printer receives a complex PS

If you have ever dug through the C:\Windows\System32 folder on a Windows PC—perhaps looking for a missing driver or trying to delete a stubborn piece of malware—you have probably seen it. Sitting quietly between powercfg.exe and powrprof.dll is a file called postscript.dll . We have AirPrint