Friday, September 2, 2011

Free Windows Gerber Viewers

When you send off your fancy design to a PCB fabrication shop you'll typically send Gerber files. Reviewing Gerbers is like a final proof-read ensuring the boards you get back are what you want.

You can use a Gerber viewer to view these files. Since I'm a penny-pinching hobbyist, here's a quick list of first impressions for (truly) free Windows-compatible Gerber viewers.


Name and Link Verdict Files Drill UI Features Notes
gerbv WIN many yes great goodSecond Favorite
3D Gerber Viewer (web) WIN many no good fairfast, 3d; not all layers
Circuit People (web) WIN zip no n/a minimal black and white
GerberLogix WIN zip, many yes great good My Favorite!!
GC-Prevue WIN zip, many yes good great odd zoom; merge!
ViewMate WIN zip yes good great edit, too!
ViewPlot Viewer WIN many yes fair great drill displays wrong
gerber-viewer.com FAIL zip, many yes fair fair slow, drill displays wrong
Gerber Viewer Lite FAIL one no good good only 2 layers!
ExcelCAM FAIL one no poor good can't read gerbers?!
ProntoGERBER CONNECTION FAIL one no poor good can't read gerbers?!

The table above tells you, for each viewer application, the overall verdict; whether it opens multiple files, and/or zip files or one at a time; whether it opens drill files; UI quality; richness of feature set; and additional notes.

I haven't spent much time with any of these Gerber readers so some of the problems above might be fixable. Top picks: GerberLogixgerbv, and GC-Prevue.

GerberLogix is my favorite Gerber reader. Easy to use, simple and clean UI, simple zip import, and fast to launch and load. Update: Version 2.5 now automatically detects Excellon format so the drill file displays perfectly.

Gerbv comes in a close second favorite. If only it opened zip files... It is also fully featured, displays correctly and doesn't appear to have commercial use restrictions. Since I'm now selling products, I'll use gerbv as my go-to viewer.

GC-Prevue is fast, you can import multiple gerber files or zip files, and it has a lot of features including the ability to merge gerbers graphically!

Screen Shots

PentaLogix ViewMate
Circuit People web application
GraphiCode GC-Prevue
Roneda ViewPlot
EasyLogix GerberLogix

gerbv

3D Gerber Viewer

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