What is Quartus?
Quartus II (now Intel Quartus Prime after Intel's acquisition of Altera) is an FPGA design tool that supports the full design flow including HDL entry, synthesis, place-and-route, timing analysis, and device programming for Altera FPGAs and CPLDs.
Files Quartus opens
CAD Files
Data Files
Click any badge for full per-format details - what it is, how to open it and how to convert it.
Download Quartus
SOURCEwww.altera.comofficial site - avoid third-party download portals