PNG to SVG Converter
Professional-grade raster-to-vector converter. Transform bitmaps into scalable SVG paths using algorithmic quantization and edge tracing. Ideal for logos, CNC, and design.
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About
This tool utilizes advanced computational geometry algorithms to transmute rasterized pixel data (bitmaps) into mathematical vector paths. Unlike standard converters that simply embed the image as a Base64 string, this engine performs true topological reconstruction.
Accuracy in vectorization is bounded by the Nyquist-Shannon sampling theorem; low-resolution inputs yield staircase artifacts. To mitigate this, our pipeline employs a multi-stage process: Preprocessing (Denoising) → Quantization (Color clustering) → Edge Tracing (Moore-Neighbor algorithm) → Path Simplification (Ramer-Douglas-Peucker). This ensures the final SVG output is lightweight, scalable to ∞, and compatible with CNC/Laser cutters.
Formulas
The core reduction relies on the Ramer-Douglas-Peucker algorithm to decimate redundant points along a curve while maintaining the shape's topology within a user-defined tolerance ε.
Color distance for quantization uses Euclidean separation in RGB space to cluster pixels:
SVG Path construction utilizes Cubic Bezier curves where necessary, defined as:
Reference Data
| Feature | Raster (PNG/JPG) | Vector (SVG) | Conversion Logic |
|---|---|---|---|
| Data Structure | 2D Grid of Pixels (Arrays) | Mathematical Curves (XML) | Pixel Grouping → Geometric Fit |
| Scalability | Lossy (Pixelation at >100%) | Lossless (Infinite zoom) | f(t) vs Fixed Matrix |
| File Size | Proportional to Resolution (w × h) | Proportional to Complexity (Nodes) | Node Reduction Optimization |
| Editability | Pixel Manipulation | Path/Anchor Point Manipulation | Component Extraction |
| Machine Readable | No (Optical extraction required) | Yes (Coordinate Geometry) | G-Code / Plotter Ready |
| Transparency | Alpha Channel (0-255) | Fill-Opacity Attribute | Mapped to CSS properties |