Gerber viewer

Upload a Gerber/Excellon set (or a .zip of them) to preview the copper, board outline and drills. Files are rendered in-memory and not stored.

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Select Gerber / Excellon files (multiple, or one .zip):

Recognised: RS-274X Gerbers (.gtl/.gbr/.gko/.gts…) and Excellon drills (.drl/.xln…). Copper renders gold, drills red. A combined top-side preview appears when the full layer set can be mapped.