G-code Editor & Inspector — Insert Pauses, M600, Strip Comments Community
Questions, answers and tips from people who use the G-code Editor & Inspector — Insert Pauses, M600, Strip Comments. Insert filament changes, pauses, temperature/speed changes at a layer; strip & compress.
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From the tool guide: common questions about G-code Editor & Inspector — Insert Pauses, M600, Strip Comments
The items below are not posts by community members. They come from the written guide for this tool and are here to get a conversation started. Use “Ask a follow-up” to open a thread about any of them.
Where are commands inserted?
Immediately before the layer-change comment of the chosen layer (or before the first extruding move if no markers).
From the tool guide Ask a follow-upDoes stripping comments break anything?
No, G-code comments are ignored by firmware; markers kept optionally for viewers.
From the tool guide Ask a follow-upWill the edited file be re-checked?
The layer indexer re-reads your file; open the result in the viewer to confirm.
From the tool guide Ask a follow-upWhat this tool does
Sometimes you need to change a sliced file without re-slicing: swap filament at a layer for a colour change, pause to insert magnets, lower the temperature for a bridge-heavy section, or shrink a huge file for an SD card. This editor indexes every layer in your G-code (using the slicer's layer markers or Z changes), then lets you queue insertions at a layer number or height — M600 filament change, M0/M25/@pause/Klipper PAUSE, M104 temperature, M140 bed, M220 speed, M221 flow, M106 fan or any custom lines.
How to use it, step by step
- Drop in your .gcode file.
- Queue an insertion (e.g. M600 at layer 25) or choose clean-up options.
- Optionally check the layer in the Inspect tab.
- Press Apply & download.
Tips from the guide
- Check your firmware supports M600; Klipper needs a PAUSE/ M600 macro.
- Use the Z option when you do not know the layer number.
- Keep slicer markers when stripping comments so viewers can still show layers.
- Always check the first edit in the G-code viewer before a long print.
Common mistakes to avoid
- Inserting M600 in the middle of a layer instead of between layers.
- Rounding E values too aggressively on tiny layers.
- Applying a Z offset to a file that uses relative Z moves.
Who uses it
- Multi-colour printers (single extruder). Colour changes at exact layers.
- Makers embedding hardware. Pause at the layer where the cavity closes.
- Anyone with large G-code files. Compress to fit SD cards and speed up uploads.
How to ask a question people can answer
A good thread on the G-code Editor & Inspector — Insert Pauses, M600, Strip Comments saves everyone time. Start with a title that names the exact problem, such as the input you used, the result you expected and the result you got. A title like “Not working” is hard to answer, while a title with the specifics gets replies quickly.
- Say what you tried. List the steps you followed and any settings you changed, so replies do not repeat what you already did.
- Share a small example. A short sample input and the output you saw is worth more than a long description. Remove anything private first.
- Mention your setup. Your device, browser and whether you are on a phone or a computer can explain many odd results.
- One question per thread. Separate topics get clearer answers and are easier to find later with the search box above.
- Come back and reply. If a suggestion worked, say so and upvote it, and if you found the fix yourself, post it for the next person.
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