Open .brd (Board), .mdd (Module), and .dra (Symbol) files.
Easily turn on/off layers, silkscreens, and solder masks to inspect specific board details. allegro free physical viewer 174 better download
Because the viewer is read‑only and does not lock files, it works seamlessly with any version control system (Git, Subversion, Perforce). Team members can open any committed revision of a .brd file to review changes over time, compare layouts, or debug a problem that appeared in an older version. Team members can open any committed revision of a
: If you are using version 23.1 or newer, the "Classic" viewer is retired in favour of Allegro X Free Viewer . However, the Classic interface was restored in version 25.1 as part of the standard installation. : Users can quickly filter, search, and change
: Users can quickly filter, search, and change the visibility or color assignments of any design object or layer with a single click. Advanced Search & Properties
: Users can single-click to change layer colors, use "shadow mode" for better object identification, and quickly filter specific design objects like nets or pins. Integrated Search & Properties
It directly opens native Cadence database files, including .brd (board files), .dra (symbol drawings), .mdd (module definitions), and .dpf (design partitions). This means you see the exact data as the designer intended, without any export or conversion step.