String Art Generator Online - From Photo

Turn a photo into circular string art and get the exact nail sequence to thread it yourself. The generator repeatedly picks the chord that covers the most remaining darkness, then subtracts what that thread has already covered - which is how shading builds up instead of collapsing into one black smear.

Most people open this because a photo is too big, in the wrong format, or they do not want to install an editor for a two-minute job.

String Art Generator is a good fit when building handcrafted portrait wall art.

What you actually get

String Art Generator is built around a few practical wins, not a long feature list:

• Creates real buildable string-art plans from photos.
• Outputs exact thread path sequence to reduce trial-and-error.
• Balances visual quality with practical material planning.
• Great for maker projects, gifts, and workshop activities.

A straightforward way to do it

1. Upload portrait or silhouette. Use a high-contrast image with clear subject boundaries.
2. Configure nails and thread count. Set circle resolution and line iterations based on desired detail level.
3. Generate simulation and sequence. Build algorithmic path that approximates tonal shading through thread lines.
4. Export build instructions. Download nail order and plan for physical board construction.

When this is the right tool

• Building handcrafted portrait wall art.
• Preparing workshop projects for schools/maker communities.
• Converting photos into algorithmic physical art pieces.
• Creating personalized gift projects with build instructions.

Details that save a retry

• Use strong silhouettes for cleaner string-art readability.
• Start with moderate nail count before complex large builds.
• Track thread tension consistently to preserve intended shading.
• Label board start point clearly before weaving sequence.

Easy mistakes

• Using low-contrast photos that produce weak visual structure.
• Choosing very high thread counts without build-time planning.
• Skipping nail-position accuracy and distorting geometry.
• Pulling uneven thread tension and warping final tonal balance.

Where your files go

String Art Generator runs in your browser. The file or text you paste stays on your device. There is no account, and nothing is stored on a ToolBox server for this job.

Related tools worth opening next

If this is one step in a longer job, these usually come after it:

• Image to Sketch - Turn photos into pencil, charcoal, outline or blueprint drawings
• Image to ASCII Art - Convert photos into text art with live preview and PNG export
• Image to Dot Art - Convert photos into halftone amazing dot art with adjustable density

Questions people ask first

How does the algorithm work?

Nails are spaced evenly around a circle. From the current nail, every possible chord is scored by how much of the remaining darkness it would cover, and the best one is taken. Crucially, the darkness that thread covered is then subtracted, so the next line is forced to go somewhere new. That residual subtraction is what creates tone.

What kind of photo works best?

High-contrast portraits and silhouettes. String art has no colour and a limited tonal range, so a busy or evenly-lit photo turns to mush. A clear subject against a plain background gives the strongest result.

How many nails and threads should I use?

Around 200 nails and 2,000-3,000 threads suits most portraits. More nails allow finer angles; more threads build deeper shadows. Both increase how long the physical build takes, so it is a trade-off between detail and patience.

How do I build it physically?

Download the nail sequence, mark your nail positions evenly around a circular board, then follow the numbered order wrapping the thread around each nail as you go. The tool estimates how much thread you will need for a 50cm board.

Open the String Art Generator when you are ready. It is free, and you do not need an account.