Use it online on:
xilinx-ucf-editor is a very simple tool to create and edit ucf (User Constraint File) files used by Xilinx.
Use it online here.
It is written in vanilla-js, and pure html, so any modern browser (IE, Edge, Chrome, Firefox and so on) can use it.
If a .sch
file is inputted, A table of ports with their types and names will be generated.
If a .ucf
file is inputted, it can be edited in the table. (not jet completed)