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step2gcode

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Browser-based G-code generator that turns STEP, DXF, SVG and images into CNC milling and laser G-code, with nesting and 14 post-processors.

STEP file uploaded, G-code generated, settings and toolpath preview side by side

Cost / License

  • Freemium (Usage-based)
  • Proprietary

Since

  • Since 2026

Platforms

  • Online
3D toolpath preview with pockets, inner and outer contour
Pick material and tool, spindle speed and feed rates are calculated automatically
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step2gcode information

  • Developed by

    DE flagstep2gcode

  • First released

    2026

  • Licensing

    Proprietary and Freemium product.

  • Pricing

    Usage-based pricing (pay per credit or per use) + free version with limited functionality.

  • Alternatives

    7 alternatives listed

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  • Supported Languages

    • English
    • German

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What is step2gcode?

step2gcode converts CAD files into machine-ready G-code in the browser, without installation or account. It reads STEP/STP, DXF and SVG for CNC milling (contours, pockets, holes, chamfers, facing, holding tabs) and DXF, SVG and raster images for laser cutting and engraving.

Several parts can be nested on one sheet and milled or lasered in a single program. Output is available for 14 controllers, among them GRBL, LinuxCNC, Mach3/Mach4, UCCNC, Marlin and Estlcam. Further routes: Gerber to G-code for PCB isolation milling, STL/3MF to STEP reconstruction, and an MCP server for AI assistants.

The G-code comes from a deterministic generator, so the same file with the same settings always yields the same program. The focus is 2.5D milling and 2D laser jobs. 3D milling is in beta.

All functions are free to use, the toolpath preview is always free. The first model per month can be downloaded for free, further models cost one credit each.

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