Kerfview

LightBurn file viewer · nothing uploaded

LightBurn's layer colours, with hex codes.

Use these exact colours in Inkscape, Illustrator or any design software and your shapes land on the matching LightBurn layers when imported. Or open a LightBurn file above to see which colours it uses.

or drop a .lbrn2 or .lbrn anywhere on the page

Sample project

hive-coasters.lbrn2

Job sheet

Why exact colours matter

LightBurn's documentation says that when it imports a drawing, it tries to match each colour to its default palette, and that exact matches are the way to make sure layers are assigned properly. A red that's almost but not quite #FF0000 may land on a different layer from the one you meant. The SVG export on this page always uses exact palette colours, so a round trip through other software keeps every shape on its layer.

The palette

LayerHexRGBNotes
C00#0000000, 0, 0Often used for engraving
C01#0000FF0, 0, 255
C02#FF0000255, 0, 0Often used for cutting
C03#00E0000, 224, 0
C04#D0D000208, 208, 0
C05#FF8000255, 128, 0
C06#00E0E00, 224, 224
C07#FF00FF255, 0, 255
C08#B4B4B4180, 180, 180
C09#0000A00, 0, 160
C10#A00000160, 0, 0
C11#00A0000, 160, 0
C12#A0A000160, 160, 0
C13#C08000192, 128, 0
C14#00A0FF0, 160, 255
C15#A000A0160, 0, 160
C16#808080128, 128, 128
C17#7D87B9125, 135, 185
C18#BB7784187, 119, 132
C19#4A6FE374, 111, 227
C20#D33F6A211, 63, 106
C21#8CD78C140, 215, 140
C22#F0B98D240, 185, 141
C23#F6C4E1246, 196, 225
C24#FA9ED4250, 158, 212
C25#500A7880, 10, 120
C26#B45A00180, 90, 0
C27#0047540, 71, 84
C28#86FA88134, 250, 136
C29#FFDB66255, 219, 102
T1#F36926243, 105, 38Tool layer, never output
T2#0C96D912, 150, 217Tool layer, never output

Values from LightBurn's published colour palette documentation. LightBurn also offers palette files for Inkscape, CorelDRAW, Adobe and Affinity products on that page.

Tool layers

T1 and T2 are tool layers. They have no cut settings and never output to the laser. Designers use them for the edge of the material, alignment guides, or the path that text follows. When you export an SVG here, tool layers are left out unless you tick "Include tool layers".

Colours don't mean settings

Red doesn't always mean cut and black doesn't always mean engrave. Each designer sets every layer's mode, speed and power separately. Open the file above to see what each colour actually does in this project.

Layers and settings

In the order LightBurn runs them. Untick a layer to hide it here and leave it out of exports.

Layers in this project with their cut settings
ShowLayerModeSpeedPowerPassesIntervalShapesPath lengthTime, est.

Grey italic values aren't saved in the file. A .lbrn2 leaves out values that match LightBurn's defaults, so the documented defaults are shown (100 mm/s, 20% power, 0.1 mm interval, one pass). Speeds are stored in mm/s; hover a speed for mm/min. Times assume the head always moves at full speed, so real jobs take longer; see how they're worked out.

Export

Only the layers that are switched on are exported. Files are made in your browser.

Free

SVG

For Inkscape, Illustrator, xTool Creative Space, the Glowforge app and LightBurn itself. Layers become groups in LightBurn's colours, at real size in millimetres.

Fill layers as

Unlock

DXF

For CAD, CNC routers, cutting services and older laser software. R12 DXF, one DXF layer per LightBurn layer, millimetres, true circles. Pictures can't go in a DXF, so they're left out.

Part of the £6 unlock, coming soon.

Free

Pictures

Images embedded in the project, and the preview LightBurn saved with it, can be saved as PNG files on their own.

See the pictures

Pictures in this file

Shown at their own size. The original file name is what the designer's computer called the picture.

Job sheet

One printed page for whoever runs the laser: the design, every layer's settings, sizes, and the time estimate with its assumptions. Choose Save as PDF in the print window for a file.

Printing the job sheet is part of the £6 unlock, coming soon. The preview is free to look at.

One-time unlock

DXF, batch conversion and job sheets

Viewing, inspecting and SVG export are free and stay free. The unlock adds the things that save a workshop time.

  • DXF export of any project, layer by layer.
  • Batch conversion: drop many .lbrn2 files, or a ZIP of them, and get one ZIP back with SVG and DXF for each, plus a CSV of every layer's settings.
  • Printable job sheets with settings, sizes and time estimates.
  • One payment, no account, no subscription. Your files still never leave your computer.

£6 once

Coming soon

It isn't on sale yet, so there's nothing to pay today. Everything free on this page works now.

How sure is each number?

Read straight from the file

Layer names, modes, speeds, powers, passes and intervals are exactly what the file says, apart from values shown in grey italics, which the file leaves out and LightBurn fills with its defaults. Shape counts are exact.

Measured from the shapes

Sizes and path lengths are measured from the geometry, with curves followed to within a few thousandths of a millimetre. Text without a saved outline has no exact shape, so it isn't measured, and you'll see a note when that happens.

Estimated, and labelled

Times assume the head always moves at the layer's speed. Lines take length × passes ÷ speed; fills sweep each row from the first edge to the last at the line interval; images scan their whole frame. Acceleration, overscan and travel aren't counted, so real jobs take longer, sometimes a lot longer.