Category
PCB & EDA
View Gerber/Excellon files and convert to SVG/PNG/PDF, drill and layer analysis, plus GDSII/OASIS layout conversion.
PCB and EDA tools handle electronics manufacturing data: Gerber copper and soldermask layers, Excellon drill files, BOM and CPL (pick-and-place) files, and SPICE netlists. These 7 tools view, check and convert PCB production data before fabrication. Most run locally in your browser, with no upload and no signup.
PCB & EDABOM / CPL Merge and CheckMerge BOM and CPL (pick-and-place) CSVs by designator — free, no upload, in your browser. Flag missing parts before PCBA and download the aligned CSV.LocalCSV · GBRPCB & EDAGerber DFM CheckGerber DFM checks in your browser, no upload: 55 graded checks, configurable thresholds, mm violation coordinates and MD/JSON/PDF reports. Pro feature.LocalGerber · ExcellonPCB & EDAGerber Layer Stackup — Alignment Check, No UploadOverlay a full set of Gerber and drill files to check layer alignment before fabrication, or diff two revisions — in your browser, no upload. Pro feature.LocalGerber · Excellon · SVGPCB & EDAGerber to PNG ConverterConvert Gerber and Excellon to high-resolution PNG in your browser — free, no upload. Exact long-edge pixels, optional transparent background, batch to ZIP.LocalGerber · Excellon · PNGPCB & EDAPCB Gerber ViewerView Gerber (RS-274X) and Excellon drill files as a multi-layer board view — zoom, toggle layers, measure in mm/inch, export PNG/SVG. Free, no upload.LocalGerber · Excellon · PNGPCB & EDAProSPICE Netlist Simulator OnlineSimulate SPICE netlists online (op/tran/ac) with ngspice — no install, free daily allowance. In-page AC and transient waveforms, DC node voltages, full log.CloudSPICE · CIR · SPPCB & EDADigital Timing WaveformDraw digital timing waveforms from WaveDrom-style JSON — free online, no upload, no sign-up. Export SVG or PNG for docs.LocalJSON · SVG · PNG
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