Strengths
- Opens the KiCad project itself: schematic, PCB, 3D view and BOM, with no CAD install for whoever you share it with.
- Keeps saved versions and compares them visually, so a reviewer sees what changed between revisions.
- Private repositories on the free plan; share public, by link only, or with a password.
- PCB view with layer controls and a measure tool.
- KiCad has the most complete support; Altium sources are kept and converted for viewing.
What it can't do
- It is not a fabrication service: it does not quote, make or assemble boards.
- Some uploads do not render fully. Compare what it shows against your own files before relying on it.
- Built around design source files. If all you have is a folder of Gerbers, a dedicated Gerber viewer is the better tool.
- You sign in to upload (signing in creates the account).
VerdictWith the KiCad project in hand, open it here: you see the board and the design behind it. With Gerbers alone, use Ucamco's Reference Gerber Viewer.
You have the KiCad projectTop of the design-source list: the only tool here marked Yes on both source files and upload privacy. Schematic, PCB, 3D and BOM in one link, with saved versions to compare.
You only have Gerber and drill filesNot the tool for the job. Open the package in Ucamco's Reference Gerber Viewer, or in tracespace view if the files must stay on your computer.