Free Laser Engraving Photo Editor Online
Convert any photo into a laser engraving ready image directly in your browser. Adjust brightness, contrast, gamma, sharpness, dithering style, output size and DPI, then export a PNG prepared for LightBurn, LaserGRBL, XCS and other laser software. 100% browser-based. Your images never leave your device.
Photo Engraving Online converts a regular photo into a rasterized black-and-white image optimized for CO2 or diode laser engraving.
Upload a photo
Drag the file into the upload area or click to choose it from your device.
Set DPI
Choose a resolution that matches your material and your laser’s capabilities.
Set the output size in mm
Enter the final engraving width in millimeters.
Fine-tune the width
The slider lets you fine-tune the output width in pixels.
Check the output and download the PNG
The output shows the final rasterized image.
| DPI | Best for | Note |
|---|---|---|
| 72 DPI | Leather, fabrics, very rough wood | Low detail, fast engraving |
| 150 DPI | Soft wood (pine, linden), OSB | Good result for larger formats |
| 254 DPI | Hard wood (oak, beech), plywood | Good balance between detail and speed |
| 300 DPI ✓ | Glass, stone, slate, MDF | Default value – suitable for most projects |
| 500 DPI | Acrylic, coated metals, ceramics | High detail, great for portraits |
| 750 DPI | Anodized aluminum, cast acrylic | Maximum detail, slower engraving |
The output size in mm should exactly match the real physical size of the engraving area on your material.
Example
ℹ️ Formula: width in px = (width in mm ÷ 25.4) × DPI