EDA EDAcation  / nextpnr Viewer
Part of the EDAcation family

nextpnr Viewer

An interactive, browser-based visualiser for nextpnr place-and-route results. Inspect the placement and routing of your FPGA design directly in the browser — no installation required. Part of the EDAcation open-source FPGA toolchain education platform.

How to use

Run nextpnr with the --write and optional --report flags to produce the JSON files, then load them here.

Example commands
# iCE40 nextpnr-ice40 --hx1k --package tq144 \ --json design.json \ --write place.json \ --report report.json # ECP5 nextpnr-ecp5 --25k --package CABGA256 \ --json design.json \ --write place.json \ --report report.json

Open a design

Select an example to auto-fill the fields above.