G-Code Viewer

Preview only — 2D XY, absolute (G90) G0/G1/G2/G3 with I/J arcs. Not a machine-verification tool; unsupported words are ignored.

Program

Upload file

Toolpath

Cut moves

4

Rapid moves

1

Max RPM

6,000

Max feed

45

Syntax View

  1  G90 G17 G20
  2  T1 M6
  3  S6000 M3
  4  G0 X0 Y0 Z0.1
  5  G1 Z-0.125 F20
  6  G1 X2.000 Y0.000 F45
  7  G1 X2.000 Y1.250
  8  G1 X0.000 Y1.250
  9  G1 X0.000 Y0.000
 10  G0 Z0.25
 11  M30

About this tool

Explains common Fanuc-style G and M codes in a pasted program and previews the toolpath.

Inputs: A G-code program (Fanuc / Haas dialect)
Assumptions: Modal G-code behavior per typical Fanuc controls
Absolute (G90) positioning unless the program says otherwise
Preview ignores tool geometry, offsets, and canned cycles
Sources: Fanuc and Haas programming manuals
Valid range: Standard 3-axis milling programs using G0/G1/G2/G3 and common M-codes.
Limitations: Does not simulate macro variables, subprograms, or probing
Not a verification tool — never run a program based on this preview alone
Control-specific codes may be labelled differently or omitted

Values are starting points for planning — verify against your tooling and machine documentation before cutting. Report an issue with this tool →