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Editorial Team
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Asked: 2026-05-22T15:16:24+00:00

How do I create circle text (text in a circle shape) with canvas?

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How do I create circle text (text in a circle shape) with canvas?

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1 Answer

  1. Editorial Team

    Letters should now be properly oriented:

    CanvasRenderingContext2D.prototype.fillTextCircle = function(text,x,y,radius,startRotation){
   var numRadsPerLetter = 2*Math.PI / text.length;
   this.save();
   this.translate(x,y);
   this.rotate(startRotation);

   for(var i=0;i<text.length;i++){
      this.save();
      this.rotate(i*numRadsPerLetter);

      this.fillText(text[i],0,-radius);
      this.restore();
   }
   this.restore();
}

    Sample usage:

    var ctx = document.getElementById('canvas').getContext('2d');
ctx.font = "bold 30px Serif";
ctx.fillTextCircle("Circle Text ",150,150,75,Math.PI / 2);

    The extra space at the end of the string adds some extra padding.

    Sample output:

    Sample Output

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