xTool Laser Troubleshooting: Fix Connection, Cutting, Engraving

DESIGNEROOH • xTOOL LASER TROUBLESHOOTING

xTool Laser Troubleshooting: Fix Connection, Cutting, Engraving & More

Practical troubleshooting for LightBurn, XCS, connection problems, laser output, cutting, engraving, Air Assist, smoke, focus, camera alignment, and positioning.

xTool problems can originate from software, USB or network connection, machine configuration, focus, optics, material, laser output, Air Assist, ventilation, positioning, or camera and framing systems. Features differ across models, so confirm what yours actually has.

FIND MY PROBLEMEXPLORE DESIGNEROOH FILES
PROBLEM FINDER

What's Wrong With Your xTool?

01

Not Connecting

LightBurn / XCS / USB / Network

02

Disconnecting During Job

Communication / computer / software

03

Laser Not Firing

Output / software / machine

04

Not Cutting Through

Focus / material / output / speed

05

Engraving Too Light

Focus / speed / output / image

06

Air Assist

Pump / hose / airflow

07

Smoke & Exhaust

Ventilation / duct / airflow

08

Fan Problems

Noise / airflow / obstruction

09

Focus

Focus / material height

10

Weak Laser Output

Lens / focus / output

11

Wrong Position

Origin / workspace / coordinates

12

Camera / Framing

Alignment / calibration / workspace

13

XCS Problems

Connection / machine detection / workflow

14

LightBurn Problems

Device setup / communication / workspace

Before Troubleshooting

  • Never look directly into the laser beam.
  • Follow the safety requirements for your specific xTool machine.
  • Use appropriate enclosure and laser safety practices.
  • Never bypass safety interlocks or protective systems.
  • Keep suitable fire-safety equipment available.
  • Never leave an active laser job unattended unless the setup explicitly permits it.
  • Stop immediately if uncontrolled flames occur.
  • Power down appropriately before physical inspection or maintenance.
  • Do not modify wiring, electronics, firmware, or safety systems without manufacturer guidance.
  • Confirm the material is appropriate for laser processing before starting.

The exact procedure can vary by xTool model. Check the documentation for your specific machine before changing firmware, electrical components, controller settings, wiring, or safety systems.

Start Here: 60-Second xTool Diagnosis

Q1

Is your xTool detected by the computer or control software?

NO → USB, network, cable, software, device configuration. YES → continue.

Q2

Can XCS communicate with the machine?

NO → machine connection, software, configuration.

Q3

Are you using LightBurn?

YES → check device configuration and communication.

Q4

Does the laser fire?

NO → output, layer, configuration, protection, model-specific hardware.

Q5

Does it cut?

NO → focus, material, output, speed, passes, lens, Air Assist.

Q6

Is engraving too light?

Focus, speed, output, material, image, lens.

Q7

Is smoke or airflow the issue?

Air Assist, exhaust, fan, duct, ventilation.

Q8

Is the position wrong?

Origin, workspace, coordinates, machine position, camera/framing if applicable.

MODEL DIFFERENCES

Which xTool Are You Using?

Machines differ in laser type, power, enclosure, camera, Air Assist, exhaust, autofocus, positioning, software workflow, and connection method. Identify your exact model first. These cards list what to look at, not specifications.

xTool D1 / D1 Pro

Diode laser workflow, LightBurn/XCS, USB, cutting, engraving, Air Assist, focus.

xTool S1

Enclosure, positioning, autofocus where applicable, XCS, LightBurn where applicable, ventilation, cutting/engraving.

xTool P2 / P2S

CO₂ workflow, XCS, LightBurn where applicable, cooling, ventilation, cutting, camera/positioning where applicable.

xTool F1

Dual-laser workflow where applicable, software, positioning, engraving, focus, material selection.

xTool F1 Ultra

Model-specific laser system, software, positioning, engraving, focus, material workflow.

xTool M1 / M1 Ultra

Only the laser functions apply here; non-laser features are outside this guide.

PROBLEM 01

xTool Not Connecting to LightBurn

Connection depends on USB communication, machine detection, device configuration, controller communication, model compatibility, and connection stability. Not every xTool model is guaranteed to work with LightBurn, so check compatibility for yours.

The exact procedure can vary by xTool model. Check the documentation for your specific machine before changing firmware, electrical components, controller settings, wiring, or safety systems.

  1. Check machine power. Check: supply and status. Why: no power, no detection. Next: power-cycle.
  2. Check USB/network connection. Check: cable or network path. Why: unstable links drop communication. Next: try a known-good data cable or another route.
  3. Confirm computer detection. Check: does the OS see the device? Why: separates a hardware link problem from a software one. Next: if not detected, see the computer section.
  4. Check LightBurn device configuration. Check: profile for your exact model. Why: the wrong one blocks communication. Next: verify against documentation.
  5. Check the correct connection/port. Check: which port or connection appears when plugged in. Why: selecting the wrong one is common. Next: select it; do not guess values.
  6. Restart LightBurn. Clears stale connections.
  7. Restart the machine. Resets controller communication.
  8. Restart the computer. Frees ports held by other programs.
  9. Check LightBurn and xTool compatibility. Check: supported models and software versions. Do not update firmware without guidance for your model.
  10. Run a simple test. Confirm a safe movement or low-risk test.

If the Problem Continues

Collect: exact xTool model, laser type/power if known, XCS version, LightBurn version if used, operating system, connection method, any error message, whether the machine is detected, when the problem started, whether it happens every time, and steps already tried. Support can narrow causes much faster with this information.

PROBLEM 02

xTool Not Connecting to XCS

Machine not detected is a power, cable, or network problem. Detected but XCS cannot communicate is usually device selection, software version, or a stale session. Connection methods vary by model.

The exact procedure can vary by xTool model. Check the documentation for your specific machine before changing firmware, electrical components, controller settings, wiring, or safety systems.

  1. Confirm machine power. Ready state first.
  2. Check connection method. Use the method your model supports.
  3. Check computer/device detection. Does the OS or network see it?
  4. Restart XCS. Close fully and reopen.
  5. Restart machine. Power-cycle.
  6. Check XCS device selection. Pick your exact machine.
  7. Check network/USB connection where applicable. Try another cable, port, or network path.
  8. Check software version compatibility. Check XCS and machine support.
  9. Test a simple operation. Try a basic move or frame.
  10. Collect the error message. Write it down exactly for support.

If the Problem Continues

Collect: exact xTool model, laser type/power if known, XCS version, LightBurn version if used, operating system, connection method, any error message, whether the machine is detected, when the problem started, whether it happens every time, and steps already tried. Support can narrow causes much faster with this information.

PROBLEM 03

xTool Not Connecting to Computer

If the computer never sees the machine, work through power, cable or network, port, and operating system detection. Connection type varies by model.

  1. Check power. Confirm ready state.
  2. Check cable or network path. Use a data-capable cable; verify the network if applicable.
  3. Try another port or computer. Isolates the cause.
  4. Check OS detection. See whether the device appears.
  5. Check documentation for drivers. Do not install unverified drivers.
  6. Restart everything. Machine, computer, software.

If the Problem Continues

Collect: exact xTool model, laser type/power if known, XCS version, LightBurn version if used, operating system, connection method, any error message, whether the machine is detected, when the problem started, whether it happens every time, and steps already tried. Support can narrow causes much faster with this information.

PROBLEM 04

xTool Keeps Disconnecting During a Job

Connecting then losing communication points to stability: unstable USB or network, computer sleep, power management, software, controller, firmware, or the computer environment.

  1. Check connection stability. Look for movement or loose connectors.
  2. Check cable or network path. Replace or reroute.
  3. Prevent computer sleep during jobs. Sleep can interrupt communication.
  4. Avoid unnecessary applications. Reduce load.
  5. Restart XCS/LightBurn. Start clean.
  6. Restart machine. Reset communication.
  7. Run a short test job. Find when it fails.
  8. Test a different connection method if supported. Change one thing.
  9. Check software/firmware compatibility. Use documentation.
  10. Stop long jobs until communication is reliable. A mid-job drop can ruin material or leave the machine in an unexpected state; never ignore repeats.

If the Problem Continues

Collect: exact xTool model, laser type/power if known, XCS version, LightBurn version if used, operating system, connection method, any error message, whether the machine is detected, when the problem started, whether it happens every time, and steps already tried. Support can narrow causes much faster with this information.

PROBLEM 05

xTool Laser Not Firing

Possible causes: machine not ready, software output disabled, layer configuration, incorrect device configuration, protection system, overheating, or a model-specific hardware issue.

  1. Confirm machine power. Ready state.
  2. Confirm machine/software connection. Connected and idle.
  3. Check output/layer settings. Output enabled, nonzero.
  4. Check machine status. Read any warnings.
  5. Check focus/setup where relevant. Some models restrict output until set up.
  6. Check for protection warnings. Do not bypass them.
  7. Allow cooling if overheating is indicated. Then retry.
  8. Test a simple job. Scrap material.
  9. Compare movement with laser output. Movement without output suggests settings or hardware.
  10. Stop if hardware failure is suspected. Power down; contact support.
Symptom Possible Cause Check
Moves, no laser Output/configuration Layer/output
No communication Connection USB/network/software
Intermittent Protection/connection Stability
Weak Focus/optics Focus + lens
Stops mid-job Controller/protection Machine status

If the Problem Continues

Collect: exact xTool model, laser type/power if known, XCS version, LightBurn version if used, operating system, connection method, any error message, whether the machine is detected, when the problem started, whether it happens every time, and steps already tried. Support can narrow causes much faster with this information.

PROBLEM 06

xTool Not Cutting Through

Results depend on exact model, laser technology, power, material, thickness, focus, speed, output, passes, optics, Air Assist, and flatness. There is no universal xTool speed or power number.

  1. Identify exact xTool model. Capability differs widely.
  2. Identify material. Materials absorb energy differently; some are unsafe.
  3. Check thickness. Thicker needs more energy.
  4. Check focus. Off-focus spreads the beam.
  5. Check speed. Slower delivers more energy per distance.
  6. Check output. Model and material dependent.
  7. Test multiple passes. Helpful but adds heat; stay present.
  8. Check Air Assist. Clears debris and smoke.
  9. Inspect optics. Contamination reduces energy.
  10. Run a small material test. See below.
Symptom Possible Cause Check
Cuts partway Speed/output/focus Test grid
Uneven cut Flatness/focus Material height
Heavy charring Passes/airflow Passes + Air Assist

If the Problem Continues

Collect: exact xTool model, laser type/power if known, XCS version, LightBurn version if used, operating system, connection method, any error message, whether the machine is detected, when the problem started, whether it happens every time, and steps already tried. Support can narrow causes much faster with this information.

MATERIAL TEST

Build an xTool Material Test Instead of Guessing

Vary OUTPUT down rows and SPEED across columns; use PASSES as a third variable in a second run. Illustrative only, with no real values.

  1. Use identical material samples.
  2. Keep thickness consistent.
  3. Change one variable systematically.
  4. Record results.
  5. Identify the smallest reliable combination.
  6. Save it for future projects.

Settings are machine and material dependent.

PROBLEM 07

xTool Engraving Too Light

Causes: speed too high, output too low, incorrect focus, dirty optics, image contrast, dithering, engraving mode, material surface, module condition, or Air Assist.

  1. Check focus. A leading cause of weak engraving.
  2. Check speed. Faster marks less.
  3. Check output. Adjust gradually in tests.
  4. Check material. Some finishes resist marking.
  5. Check image contrast. Low contrast gives pale results.
  6. Check image resolution. Low resolution engraves poorly.
  7. Check dithering/image mode. Affects tone.
  8. Check engraving mode. Modes behave differently.
  9. Inspect optics. Contamination weakens output.
  10. Run a small test pattern. Before the full job.
Symptom Possible Cause Check
Very light Speed/output Settings
Uneven Focus/material Flatness
Low contrast Image prep Contrast/dithering
Weakened over time Optics/module Lens
Excess smoke Airflow Air Assist/exhaust

If the Problem Continues

Collect: exact xTool model, laser type/power if known, XCS version, LightBurn version if used, operating system, connection method, any error message, whether the machine is detected, when the problem started, whether it happens every time, and steps already tried. Support can narrow causes much faster with this information.

PROBLEM 08

xTool Air Assist Not Working

Air Assist moves smoke and debris away, supports cleaner cuts, and can help manage flare-ups in appropriate setups; it does not solve every cutting issue. Causes: pump, hose, nozzle, airflow, power, or model-specific configuration.

The exact procedure can vary by xTool model. Check the documentation for your specific machine before changing firmware, electrical components, controller settings, wiring, or safety systems.

  1. Check power. Pump powered per manual.
  2. Check hose. Look for loose fittings.
  3. Check for kinks. Straighten.
  4. Check airflow. Feel for air at the nozzle, laser off.
  5. Check nozzle. Clear residue with machine off.
  6. Check pump. Listen for normal operation.
  7. Check entire air path. Follow end to end.
  8. Check model-specific settings/configuration. Varies by model.
  9. Test before a full job. Verify airflow first.
  10. Stop if electrical or mechanical damage is suspected. Power down.

If the Problem Continues

Collect: exact xTool model, laser type/power if known, XCS version, LightBurn version if used, operating system, connection method, any error message, whether the machine is detected, when the problem started, whether it happens every time, and steps already tried. Support can narrow causes much faster with this information.

PROBLEM 09

xTool Smoke, Exhaust & Ventilation Problems

Air Assist and exhaust are different systems. Air Assist blows air at the cut; exhaust removes smoke and fumes. Causes: blocked exhaust, poor duct routing, weak airflow, enclosure leakage, fan obstruction, excessive smoke, or poor airflow direction.

  1. Identify where smoke is accumulating. Watch a short test.
  2. Check exhaust path. Look for restrictions.
  3. Check ducting. Bends and leaks.
  4. Check fan. Runs and moves air.
  5. Check airflow direction. Toward exhaust.
  6. Check enclosure. Gaps leak smoke.
  7. Check Air Assist separately. Isolate it.
  8. Inspect ventilation components. Dust and residue.
  9. Stop if the fan becomes excessively hot or smells burnt. Power down.
  10. Improve ventilation before continuing long jobs. Test a short run.

Safety: never exhaust hazardous fumes into occupied indoor spaces, and never assume a laserable material is safe.

If the Problem Continues

Collect: exact xTool model, laser type/power if known, XCS version, LightBurn version if used, operating system, connection method, any error message, whether the machine is detected, when the problem started, whether it happens every time, and steps already tried. Support can narrow causes much faster with this information.

PROBLEM 10

xTool Fan Making Noise or Running Abnormally

Causes: dust, debris, obstruction, loose component, worn fan, restricted airflow, or overheating. Noise types: rattling (loose part), grinding (bearing or obstruction), buzzing, clicking, vibration (mounting or imbalance). Do not attempt motor repairs.

  1. Identify which fan. Models may have several.
  2. Listen to the noise. Match it to a type above.
  3. Check visible obstructions. Power off first.
  4. Check airflow. Is air moving?
  5. Check for abnormal heat. Warning sign.
  6. Power down before physical inspection. Always.
  7. Do not continue with a burnt smell or electrical concern. Contact support.
  8. Follow model-specific manufacturer guidance. Supported procedures only.

If the Problem Continues

Collect: exact xTool model, laser type/power if known, XCS version, LightBurn version if used, operating system, connection method, any error message, whether the machine is detected, when the problem started, whether it happens every time, and steps already tried. Support can narrow causes much faster with this information.

PROBLEM 11

xTool Focus & Autofocus Problems

Focus affects cutting depth, engraving sharpness, line quality, and energy concentration. Causes: incorrect focus, material height, uneven material, wrong autofocus procedure, configuration, or model-specific autofocus behavior. Not all models share one system.

The exact procedure can vary by xTool model. Check the documentation for your specific machine before changing firmware, electrical components, controller settings, wiring, or safety systems.

  1. Identify manual or automatic focus for your model. Check documentation.
  2. Follow the correct procedure for your model. Not another model's.
  3. Ensure material is flat. Warp shifts focus.
  4. Verify material height. Re-focus on thickness change.
  5. Check focus before changing power. Fix focus first.
  6. Run a small test. Confirm sharpness.

If the Problem Continues

Collect: exact xTool model, laser type/power if known, XCS version, LightBurn version if used, operating system, connection method, any error message, whether the machine is detected, when the problem started, whether it happens every time, and steps already tried. Support can narrow causes much faster with this information.

PROBLEM 12

xTool Laser Output Weak or Inconsistent

Causes: dirty optics, focus, output settings, overheating, module condition, material, or protection behavior.

  1. Check software output. Confirm settings.
  2. Check focus. Re-verify.
  3. Inspect optics. Machine off and cool.
  4. Follow the manufacturer-approved cleaning procedure for your exact model. Do not improvise.
  5. Check overheating. Let it cool; check ventilation.
  6. Run a consistency test. Repeat the same test.
  7. Stop if hardware failure is suspected. Contact support.

If the Problem Continues

Collect: exact xTool model, laser type/power if known, XCS version, LightBurn version if used, operating system, connection method, any error message, whether the machine is detected, when the problem started, whether it happens every time, and steps already tried. Support can narrow causes much faster with this information.

PROBLEM 13

xTool Cutting or Engraving in the Wrong Position

Causes: origin, workspace settings, coordinates, machine position, framing, camera alignment, mechanical movement, or software configuration.

  1. Confirm exact model. Workflows differ.
  2. Check workspace configuration. Match your machine.
  3. Check origin/start position. Confirm job origin mode.
  4. Check coordinates. Verify job position.
  5. Check machine position. Where is the head?
  6. Run a safe small positioning test. Use framing or a tiny test.
  7. Check mechanical movement. Power off; look for slipping or looseness.
  8. Check camera/framing alignment if the model supports it. See next section.

If the Problem Continues

Collect: exact xTool model, laser type/power if known, XCS version, LightBurn version if used, operating system, connection method, any error message, whether the machine is detected, when the problem started, whether it happens every time, and steps already tried. Support can narrow causes much faster with this information.

PROBLEM 14

xTool Camera, Framing or Alignment Problems

Camera and framing features vary by model; do not assume identical behavior. Issues include preview mismatch, framing mismatch, calibration, workspace mismatch, camera position, material placement, and enclosure or environment changes.

The exact procedure can vary by xTool model. Check the documentation for your specific machine before changing firmware, electrical components, controller settings, wiring, or safety systems.

  1. Confirm the model supports the feature. Check documentation.
  2. Check camera setup. Position and cleanliness.
  3. Confirm workspace dimensions. Must match.
  4. Check material placement. Within the camera view.
  5. Recheck calibration using model-specific instructions. Official procedure.
  6. Compare preview vs. actual position. Note the offset.
  7. Run a small test. On scrap.
  8. Do not assume camera behavior is identical across xTool machines. Each differs.

If the Problem Continues

Collect: exact xTool model, laser type/power if known, XCS version, LightBurn version if used, operating system, connection method, any error message, whether the machine is detected, when the problem started, whether it happens every time, and steps already tried. Support can narrow causes much faster with this information.

MASTER DIAGNOSTIC FLOW

xTool Problem Flow

Is the machine detected?NO → Connection · Cable/Network · Software · Device Configuration
Does the laser fire?NO → Output · Layer · Machine Status · Protection
Does it cut?NO → Focus · Material · Speed · Output · Passes · Optics · Air Assist
Is engraving too light?→ Focus · Speed · Output · Image · Material · Optics
Smoke / airflow problem?→ Air Assist · Exhaust · Fan · Duct · Ventilation
Position wrong?→ Origin · Workspace · Coordinates · Camera / Framing

xTool Troubleshooting Checklist

  • Exact xTool model identified
  • Machine powered correctly
  • Connection checked
  • Computer/device detects machine
  • XCS checked
  • LightBurn checked
  • Connection stability tested
  • Laser output checked
  • Focus checked
  • Material identified
  • Speed checked
  • Output checked
  • Passes checked
  • Lens/optics inspected
  • Air Assist checked
  • Exhaust checked
  • Fan checked
  • Position/origin checked
  • Camera/framing checked where applicable
  • Small test completed
  • One variable changed at a time

10 Common xTool Troubleshooting Mistakes

  1. Using settings from a different xTool model.
  2. Changing multiple variables at once.
  3. Ignoring focus.
  4. Ignoring optics.
  5. Ignoring connection stability.
  6. Assuming XCS and LightBurn behave identically.
  7. Updating firmware without checking compatibility.
  8. Running a large job before testing.
  9. Ignoring smoke or ventilation problems.
  10. Treating camera/framing as identical across every xTool model.

CONNECTION

USB · Network · XCS · LightBurn · Device Configuration

LASER OUTPUT

Firing · Output · Layer · Protection · Machine Status

CUTTING & ENGRAVING

Focus · Speed · Output · Material · Optics

POSITION & AIRFLOW

Origin · Camera · Framing · Air Assist · Exhaust

ILLUSTRATIVE TROUBLESHOOTING CATEGORIES

More guides coming: SCULPFUN Troubleshooting · ATOMSTACK Troubleshooting · Creality Falcon Troubleshooting · Glowforge Troubleshooting · Laser Cutting Problems · Laser Engraving Problems · Laser Smoke & Ventilation Problems

FAQ

xTool Troubleshooting FAQ

Check power, the cable or network path, computer detection, and software device selection. Connection methods vary by model, so confirm yours in the documentation.

Check the device configuration for your exact model, the selected connection or port, cable stability, and whether your model is supported by LightBurn.

Check power, connection method, device selection, and XCS version compatibility. Restart XCS and the machine, and note any error message.

Look at connection stability, computer sleep, other software, and compatibility. Test a short job and avoid long jobs until it is reliable.

Yes. A damaged, charge-only, or loose cable can cause failed or intermittent connections, so test a known-good data cable and port.

Check power, machine status, output and layer settings, protection warnings, and overheating. If hardware failure is suspected, stop and contact support.

Check focus, material and thickness, speed, output, passes, optics, and Air Assist, then run a small material test. Settings differ by model.

Common causes are incorrect focus, speed too high, output too low, dirty optics, low image contrast, or a resistant material. Change one variable at a time.

Yes. Poor focus spreads the beam's energy and weakens cuts and engraving. Focus and autofocus procedures differ by model.

Yes, contamination can reduce energy reaching the material. Clean only using the manufacturer-approved procedure for your exact model, with the machine off and cool.

Check power, hose connections, kinks, nozzle blockages, and the air path. Setups vary by model; stop if you suspect electrical or mechanical damage.

Check the exhaust path, ducting, fan, enclosure leaks, and airflow direction. Air Assist is separate from exhaust, and hazardous fumes must never be vented into occupied indoor spaces.

Power down and look for dust or obstruction. If the fan is hot, smells burnt, or still sounds abnormal, stop and follow manufacturer guidance.

Check workspace configuration, origin, coordinates, and mechanical movement, plus camera and framing alignment if your model has them. Test small first.

Camera features vary by model. Confirm support, workspace dimensions, material placement, and calibration using your model's instructions.

Use the software your model officially supports and your documentation recommends. They behave differently, so do not assume settings transfer.

Not as a first step. Check connection, configuration, focus, and settings first, and update only if the manufacturer documents it for your model.

Models differ in laser type, power, optics, focus, and Air Assist, so settings are not transferable. Run a material test for each machine.

Machine Working Again? Let's Make Something.

Once your xTool is connected, focused, and cutting consistently, explore digital laser-cutting designs for creative projects and makers.

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Designerooh is an independent resource and is not affiliated with, endorsed by, or sponsored by xTool, LightBurn, or any other manufacturer or software provider mentioned on this page. Product and brand names belong to their respective owners. Machine behavior and recommended settings can vary by model, software, material, and setup.

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Check file dimensions, convert units and prepare a resized SVG or raster image before opening it in your laser or CNC software.

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01

Upload and analyze a file

SVG/raster processing + basic ASCII DXF geometry import · 81 machine profiles

Drop your design file here Import: SVG, SVGZ, DXF, AI, EPS, PDF, PLT, HPGL, PNG, JPG, JPEG, WebP, BMP, TIF, TIFF, GIF (format processing varies)

Maximum file size: 10 MB. SVG, DXF and PNG/JPG/WebP work is processed in this browser. Other formats (SVGZ, AI, EPS, PDF, PLT, HPGL, BMP, TIF, TIFF, GIF) are sent to the DESIGNEROOH conversion service when selected.

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File analysis

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Format—
Canvas / image—
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Dimensions will appear after a supported file is analyzed. Canvas dimensions are not necessarily the drawing's actual geometric bounds.
PreviewVisual reference only
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03

Unit converter & resize

Enter the physical size you want the exported file to represent.

Only conversions available for the selected file are shown. SVG, basic DXF (from simple SVG shapes), PNG, JPG/JPEG and WebP are created in your browser; the other formats are produced by the conversion service. The tool will not create a fake file.
Used only for pixel-to-physical conversion.

For SVG, resizing changes physical width/height while preserving the viewBox coordinate system. Unlocking aspect ratio may stretch the design. SVG effects, strokes, text, clipping, patterns and filters can render differently across applications.

Size comparison

Original / detected—
Requested output—
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Shape changeNo change calculated

Choose an output format, then apply dimensions. DXF output supports basic SVG geometry only; other formats are produced by the conversion service.

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Convert a measurement without uploading a file.

100 mm = 3.937008 in. Pixel conversion uses the DPI assumption set in the resize panel.
04

VCarve size-correction assistant

Use explicit target dimensions when the source file does not declare a reliable physical size.

Recommended import workflow

  1. Check the source file's dimensions before importing.
  2. In VCarve, confirm the job setup units and material size.
  3. Import the SVG/DXF, then measure a known edge with the measuring tool.
  4. If it is wrong, select the vectors and scale them using a known target width or height.
  5. Check the design stays inside the work area and save a new copy.
Why SVG size can be confusing

The viewBox describes drawing coordinates. The SVG width and height describe its displayed canvas size. A file with only a viewBox does not reliably tell us the intended real-world size.

Important: this tool cannot verify the result inside VCarve. Always measure the imported vectors before machining.

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Formats & workflow guide

Know what a file contains before sending it to a machine.

VECTOR

SVG

Scalable vector artwork. Often useful for laser design workflows. Physical size can depend on width/height units and application import behavior.

VECTOR / CAD

DXF

Common CAD exchange format. Unit conventions and supported entities vary. ASCII DXF import supports LINE, CIRCLE, ARC (approximated as line segments), LWPOLYLINE without bulge arcs, POLYLINE and POINT. Other entity types are reported as skipped.

DOCUMENT

PDF

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RASTER

PNG / JPG

Made of pixels. Useful for image engraving; pixel count and DPI determine an assumed physical size. Raster images are not cutting vectors.

PLOTTER VECTOR

PLT / HPGL

Plotter vector formats used by some cutters and engravers. Conversion is handled by the conversion service; verify units and line settings in your software.

A design file is not the same as ready-to-run machine instructions. CNC routing usually requires CAM toolpaths; laser work still requires checking material thickness, kerf, focus, power/speed, air assist, origin and work area.
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Help center & troubleshooting

Search common problems and follow the next checks.

My file is too small in VCarve

Check the job units, then measure a known vector. If the source has no physical units, enter the intended width or height explicitly and scale in VCarve or use the SVG resize controls above.

My file is too large

Check whether inches were interpreted as millimeters or vice versa. 1 inch equals 25.4 mm. Confirm the selected job units before scaling.

Should I use millimeters or inches?

Use the units configured for your job and workflow. Avoid switching units mid-workflow without checking dimensions. 1 in = 25.4 mm; 1 cm = 10 mm; 1 m = 1000 mm.

My SVG opens with the wrong size

SVG viewBox coordinates are not automatically millimeters or inches. Check width/height and units, import dimensions in your design software, and measure a known edge before machining.

My DXF imports incorrectly

Check the exporting application's DXF version, units, scale, layers and entity support. This browser tool does not modify DXF files; re-export from CAD software or inspect in a trusted DXF editor.

My machine does not recognize the file

Identify the software/controller workflow first. Import a design into supported design/CAM software, then export or generate the machine-specific job format required by that workflow.

The preview differs from the downloaded file

Preview rendering may not match every application's treatment of fonts, strokes, filters, clipping or embedded resources. Open the downloaded output in your intended software and verify dimensions.

Which format should I use for laser cutting or engraving?

Use SVG or DXF for clean vector cutting paths and PNG/JPG for image engraving. PDF, AI and EPS can hold vectors but should be checked after import. Always confirm which formats your laser software accepts.

How do I select the correct file from my Mega Pack?

Start with the product's included format list. Choose SVG for supported vector workflows, DXF for compatible CAD/CAM software, and raster images for image engraving. Check the listing and your software's import requirements.

Final troubleshooting path

1. FileDoes it open and contain the expected geometry?
2. UnitsDo the dimensions match a known measurement?
3. SoftwareDoes your design/CAM app support the format and features?
4. ControllerAre you exporting the required machine job format?
5. Machine setupCheck origin, work area, material, tool/kerf and safe settings.
Always verify scale and machine settings before cutting or routing.DESIGNEROOH · Laser file tools