Viewers
Free Online Gerber Viewer — No Upload
A free online Gerber viewer for RS-274X PCB fabrication files. Layers render in your browser locally — no upload, no registration; your board designs stay private.
Drag files here, or click to browse
Supports GBR, GERBER, ART, DRL, TXT
Choose fileDrop one or more Gerber (RS-274X) / Excellon files — each file becomes a board layer, classified and color-coded (copper / paste / mask / drill / silk / outline), rendered to an interactive canvas with zoom, pan and distance measurement. All local.
What is a Gerber file?
Gerber (RS-274X, the de-facto standard from Ucamco) describes PCB copper, soldermask and silkscreen layers as vector photoplotter instructions. Fabricators world-wide accept Gerber X2 and legacy RS-274X.
How to view Gerber files online
Drop your .gbr/.gtl/.gts files below. Layers render locally so you can verify copper, mask and outline before sending a board to fabrication. NDA-sensitive designs never leave your machine.
Convert GERBER files
FAQ
Is this Gerber viewer free?
Yes — viewing RS-274X layers in the browser is free without registration.
Can I check PCB layers before ordering?
Yes, the viewer renders copper, mask and outline layers for a pre-fabrication check.
Are my PCB designs uploaded?
No. Rendering is local to your browser, which matters for confidential board files.