SVG vs PNG: Which is Better for Web?

Choosing between SVG and PNG for web graphics is a common decision web developers and designers face. Both formats have their strengths, and the best choice depends on your specific use case.

Understanding SVG

SVG (Scalable Vector Graphics) is a vector-based format that uses XML to describe graphics. SVGs are resolution-independent and can scale to any size without losing quality.

SVG Advantages:

Infinite scalability without quality loss
Small file sizes for simple graphics
Editable with code or design tools
Can be styled with CSS
Supports animations and interactivity
Accessible and SEO-friendly

SVG Disadvantages:

Not suitable for complex photographs
Can become large with complex paths
Requires optimization for web use

Understanding PNG

PNG (Portable Network Graphics) is a raster image format that uses lossless compression. PNG files are pixel-based and have fixed dimensions.

PNG Advantages:

Lossless compression maintains quality
Supports transparency (alpha channel)
Excellent for screenshots and graphics with text
Wide browser support
Good for complex images

PNG Disadvantages:

Fixed resolution - scaling up causes quality loss
Larger file sizes than optimized SVGs for simple graphics
Not suitable for photographs (use JPG/WebP instead)

When to Use SVG

Use SVG for:

Icons and logos
Simple illustrations and graphics
Graphics that need to scale
Interactive graphics and animations
Graphics that need CSS styling

When to Use PNG

Use PNG for:

Images requiring transparency
Screenshots and UI mockups
Graphics with text that must remain sharp
Complex graphics that don't scale well as SVG
When you need maximum browser compatibility

Best Practices

For optimal web performance:

Optimize SVGs using our SVG Optimizer
Compress PNGs when file size is a concern
Use SVG for icons and simple graphics
Use PNG for complex graphics requiring transparency
Consider WebP for modern browsers when appropriate