Making a stencil used to mean hours in design software. With a browser-based converter you can go from photo to cut-ready file in a couple of minutes. Here's the whole process.
Stencils are made of connected shapes, so bold, high-contrast images work best. A clear subject on a plain background — a logo, a silhouette, a well-lit photo — converts far more cleanly than a busy scene. If you can, avoid fine gradients and heavy texture.
The threshold is the single most important control. It decides which tones become solid and which drop out. Slide it slowly and watch the preview: too low and your shape fills in solid, too high and it disappears. Aim for the point where the subject reads clearly — or press Auto in the full editor and let Otsu's method pick the statistically best split for your image.
Add a touch of smoothing to remove speckles that would be fiddly to cut. Then pick your style: Solid fill gives the classic paint-through stencil, while Outline traces edges for line art. Flip Invert if you want the cut and kept areas swapped, and Mirror if you'll spray from the back of the sheet or press a transfer.
Download the PNG and print it to trace and cut by hand, or grab the SVG — a real vector cut path that imports straight into Cricut Design Space or Silhouette Studio with no tracing step. Watch for "islands" — floating pieces that need a small bridge to stay attached.
The converter is free and open — load a sample or drop in your own image and follow along.
Open the converter →The right sheet depends on how many times you'll use the stencil and what surface you're painting.
Free from your printer, cuts with any knife. Fine for a single spray or dab — it wrinkles once paint soaks in, so don't plan on a second pass.
Sticks flat with no bridges needed for a single use — the backing holds every island in place until you weed it. Best for glass, metal, walls, and fabric.
The professional choice. Semi-rigid, washable, and survives hundreds of coats. Cut it with a sharp knife, a Cricut with a deep-cut blade, or a laser.
Print the PNG at 100% scale ("Actual size") — never "Fit to page", which silently shrinks your design. To hit a specific width, divide the target size by the pixel width to get the scale factor, or simply resize in any print dialog and check the preview ruler. For designs wider than one sheet, use your printer's poster/tile mode, tape the pages edge-to-edge, and cut from the assembled sheet.
The fastest route is the SVG export in the full editor: in Cricut Design Space choose Upload → Browse → your SVG, and it arrives as a ready-made cut path — no tracing. In Silhouette Studio (Designer Edition or above) use File → Open. If you only have the PNG, upload it as an image instead and both apps will auto-trace the black areas; nudge the trace threshold slider until the preview matches your stencil.
Any fully enclosed white shape — the centre of an "O", an eye inside a face — becomes a loose piece the moment you cut around it. Scan your design for these islands and connect each one to the main sheet with a thin bridge: draw a 2–4 mm strip on the printout with a marker, or leave a gap when knife-cutting. Text made in the From text tab already has bridges built into the letterforms, and vinyl stencils skip the problem entirely because the backing holds every piece.
Four fixes cover almost every bad conversion.
Texture and grain survive the threshold as noise. Raise Smoothing one or two steps — it blurs the noise away before the threshold is applied, without softening the big shapes.
The threshold is past the useful band. Press Auto for a statistically sensible starting point, then fine-tune a few points either side while watching the preview.
You've outgrown the source image's resolution. Start from a larger original, or export SVG — vector paths stay razor sharp at any print size.
That's normal — edge detection traces both sides of a thick stroke. For single-line art, lower the threshold in Outline mode, or use Solid mode and let your cutter's trace produce the path.
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Reusable sheets for clean, repeatable stencils.
Shop vinyl →Cricut or Silhouette for hands-off precision cuts.
Shop machines →A sharp blade and cutting mat for cutting by hand.
Shop knives →Dabbing brushes or spray for crisp signage edges.
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