G-code Optimizer & Converter

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Converts G91 relative to G90 absolute, injects Z moves (S→Z), applies Backlash Fix, and optimizes Color Pickups.

Select G-code:

Preview Settings

Canvas Width (px):

Canvas Height (px):

X Range (mm):

Y Range (mm):

Z Paint Threshold (mm):

Apply Fix

Z Lift (mm):

Z Paint (mm):

Z Feedrate (F):

Use G0 for Z

Remove S

Global feed override (mm/min):

If set, this overrides all drawing feedrates. Leave empty to auto-detect from header comment if present.

Apply Fix

Backlash X (mm):

Backlash Y (mm):

Backlash safe feedrate (F):

Apply Color Opt

Distance (mm):

Multiplier:

Aggressive

Layer Colors:

Detected layers from G-code will appear here so you can assign each to Wash / Color 1 / Color 2 / Color 3.

View G-code Text