SVG vs PNG
Scalable vector math vs static pixel grids — Compare SVG vector graphics and PNG raster images to decide between infinite scaling and static image detail.
Secure, privacy-first browser-based comparisons. No data is ever sent to any server.
Feature Comparison Matrix
| Feature | SVG (Scalable Vector Graphics) | PNG (Portable Network Graphics) |
|---|---|---|
| Graphics Type | Vector (mathematical formulas and coordinates) | Raster (grid of colored pixels) |
| Scaling Quality | Infinite scaling (never pixelates, stays perfectly sharp) | Fixed dimensions (stretches and pixelates on zoom) |
| File Size | Extremely low (determined by complexity, not size) | Medium to high (increases as resolution grows) |
| Interactive Styling | Can be styled with CSS and animated with JavaScript | Static file, cannot be styled dynamically |
| Best For | Logos, flat icons, UI graphics, illustrations | Photographs, detailed artwork, screenshots |
| Code Format | XML markup language, searchable and indexable | Binary format, not readable by text search |
SVG (Scalable Vector Graphics) Details
Key Advantages
- Perfect crispness at any resolution or screen zoom
- Extremely small file sizes for icons and logos
- Dynamic styling via CSS (e.g. change color on hover)
Drawbacks
- Unsuitable for photographic images (millions of colors)
- Rendering becomes slow with thousands of vector paths
- XML security concerns if loading un-sanitized client vectors
PNG (Portable Network Graphics) Details
Key Advantages
- Can render complex colors, gradients, and fine details
- Universally supported by all image software and viewers
- Perfect for detailed pixel edits
Drawbacks
- Pixelates and blurs when scaled up past original size
- File size increases rapidly with dimensions
- No dynamic interactivity or code-based edits
Frequently Asked Questions
Can I convert a PNG back into an SVG?
Yes, but since PNG is pixel-based, you must use vectorization software to trace the pixels into math paths. The result may lose fine details.
Is SVG better for web accessibility?
Yes. Because SVGs are XML code, you can embed text labels directly inside them (e.g. using `<title>` tags) which screen readers can read natively.