A free tool · Geometric composition studio

Golden ratio & harmonic composition studio

Explore the geometry of visual balance. Drop any photograph, vision board, or artwork onto an interactive canvas to overlay logarithmic Fibonacci spirals, dynamic Phi grids, and classical Renaissance diagonal armatures.

Nothing here is uploaded to a server and nothing requires an account. All canvas rendering, vector geometry calculations, and high-resolution exports run entirely in your local browser memory adhering to our absolute privacy promise.

  • Free
  • No account
  • 100% client-side RAM
  • Fibonacci spiral & Phi grid
  • High-resolution PNG & SVG export

Three steps to compose

  1. Choose or drop your artworkDrag and drop an image onto the canvas, paste from your clipboard, or select an image file from your device.
  2. Align the geometric armaturesRotate the logarithmic spiral, adjust the 1:0.618:1 Phi grid, and drag the focal caliper to your key visual anchor.
  3. Inspect alignment or exportRead your live Harmonic Alignment score and download a high-resolution framed PNG or transparent vector SVG.
ORIGINAL800 × 800
100% processed in browser RAM · Zero server upload

Artwork Upload

100% Client-Side RAM

Drop artwork, photograph, or design file (JPG, PNG, WebP, SVG)

Zero server upload · Private in client RAM

Aspect Ratio Framing

Spiral Orientation

Angle: 0°

Geometric Vector Overlays

7 Harmonic Systems

Overlay Aesthetics & Line Styling

Overlay Opacity75%
Stroke Weight
Palette Color

Atelier Export

The mathematical lineage of the Divine Proportion

  1. Around 300 BC, Greek mathematician Euclid of Alexandria documented the ratio in Book VI of the Elements (Proposition 30), describing it as cutting a line segment in "extreme and mean ratio": the ratio of the whole segment to the larger part equals the ratio of the larger part to the smaller. This yields the unique positive algebraic solution x^2 - x - 1 = 0, giving Phi = (1 + sqrt(5)) / 2, approximately 1.6180339887.

  2. In 1509, Franciscan friar Luca Pacioli published De divina proportione in Venice, illustrated with sixty geometric woodcuts by Leonardo da Vinci. Pacioli and Leonardo studied the ratio in classical architecture, polyhedral geometry, and human anatomy, noting how harmonious proportions evoke aesthetic poise without sterile repetition.

  3. In 1611, astronomer Johannes Kepler observed that the ratio of consecutive terms in the Fibonacci sequence (1, 1, 2, 3, 5, 8, 13, 21, 34...) converges toward Phi. Kepler called the divine proportion one of the two great treasures of geometry, alongside the theorem of Pythagoras.

  4. In nineteenth- and twentieth-century painting, masters such as Georges Seurat and Piet Mondrian employed golden section grids and dynamic armatures to distribute visual weight, creating works whose stability and tension arise from mathematical structure rather than random placement.

Harmonic armatures & focal tension in visual art

  1. In classical composition, visual harmony is rarely achieved by centering an object. Centering creates static equilibrium, where the viewer’s eye locks into place without incentive to travel. The Golden Ratio introduces disciplined asymmetry: an off-center balance that holds the viewer’s attention across the entire frame.

  2. The 1:0.618:1 Phi grid establishes four intersection nodes called power points. Placing an eye, a horizon, or a primary subject near a power point creates natural focal weight. The surrounding negative space remains proportionally balanced, avoiding the awkward emptiness common in arbitrary framing.

  3. Classical harmonic armatures introduce diagonal energy. By dropping reciprocal perpendicular lines from opposite corners to intersect the primary diagonals at right angles, artists create a web of ninety-degree axes. Aligning figures, gestures, and lighting edges with these lines imbues a still image with dynamic visual momentum.

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