G-code Cleaner
Strip comments from G-code in one click.
Paste or drop your G-code, remove comments for smaller files, then download the clean version.
Defaults based on standard comment syntax (; and ()).
Assumptions
- Inline comments in parentheses are removed.
- Lines starting with ';' are removed.
- No other syntax changes; moves remain intact.
Examples
; layer change→ removed.G1 X10 Y10 (comment)→ comment removed, move kept.
Related calculators
FAQ
Does this change moves?
No—only comments are removed.
Does it remove M117 display messages?
No. Only ';' lines and parentheses comments are stripped.
Report an issue
Need a different comment style handled? Tell us.