Nails
&
String
Turn any photo into nail-and-thread string art — computed entirely in your browser.
Click
, drop, or paste an image
JPG, PNG, GIF, WebP… or ⌘V / Ctrl+V
Nails & Frame
▾
Nail placement
Frame edge only (classic)
Across the canvas (fine detail)
Nails only on the frame; strings are long chords.
Nail density
5 — 340 nails
Lower = fewer nails, placed only where detail matters most; higher = many nails spread everywhere.
Frame shape
Circle (classic)
Square
Canvas color
Nail color
Nail size
3
Detail & Shading
▾
Accuracy
6 — ~3.8k strings
Higher = more string passes & resolution = finer detail (slower).
Shading depth
5
Higher = dark areas collect more string passes = deeper, richer blacks (slower).
Color & Style
▾
Thread mode
Monochrome (single string color)
Color (CMYK threads)
One thread color over the canvas.
String color
Blend mode
Normal (flat string color)
Color (strings take source color)
Luminosity (strings take source brightness)
Strings drawn in their own color.
Blend amount
100%
0% = Normal; 100% = full blend.
Hand-drawn squiggle
0 — straight
0 = clean straight strings; higher = looser, freehand wobble.
Color Patches
▾
Number of patches
off
Soft fills of the average source color, painted under the strings. 0 = off.
Patch size
Small
Patch opacity
40%
Output
▾
Output size
1200 px
Generate string art
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Stringing…
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⛶ Full size
Upload an image to begin —
your string-art portrait will appear here.