How to use Gerber / Excellon PCB Viewer: a practical step-by-step guide
Learn the supported input, the workflow, and how to review results with Gerber / Excellon PCB Viewer.
When this tool is useful
Gerber is the standard graphical exchange format for PCB manufacturing, while Excellon commonly stores drill data. Use this tool for a quick visual check.
Use it for a quick inspection, extraction, counting, or organization task. For formal delivery or engineering review, keep the original file and verify the result in the professional application used by your team.
Steps
- Choose one Gerber or Excellon file.
- The tool detects coordinates and draws recognizable primitives.
- Zoom to inspect extents, traces, flashes, and drills.
Review the result
- Confirm that the input or file type is what you expected.
- Compare important headings, text, tables, layers, fields, or counting definitions with the source.
- Check for sensitive content before sharing the output.
- Use the “Open tool” link below when you need to run the workflow again.
Support and limitations
This first version previews one layer and does not replace fabrication CAM review Aperture macros, complex regions, and some dialects may be incomplete
Common questions
What if the result is empty or unexpected?
Check that the input is not encrypted, damaged, or over the size limit shown by the tool. Try a smaller, simpler sample to separate a content issue from a browser issue.
Is my content uploaded?
The tool page describes local browser processing. Use a trusted device and remove downloaded files when working on a shared computer.