Best Image Formats for Web in 2025: WebP, AVIF, PNG or JPG?

The Evolution of Web Image Formats

Choosing the right image format can significantly impact your website's performance and user experience. Let's explore the options.

JPG (JPEG)

Best for: Photographs, complex images with gradients

Pros:

• Universal browser support
• Good compression for photos
• Small file sizes

Cons:

• Lossy compression (quality loss)
• No transparency support
• Artifacts visible at low quality

PNG

Best for: Graphics, logos, images requiring transparency

Pros:

• Lossless compression
• Supports transparency (alpha channel)
• Sharp edges preserved

Cons:

• Larger file sizes than JPG
• Not ideal for photographs

WebP

Best for: Modern websites needing both quality and performance

Pros:

• 25-35% smaller than JPG at same quality
• Supports transparency
• Both lossy and lossless modes
• Great browser support (95%+)

Cons:

• Not supported in older browsers
• Some tools don't support editing

AVIF

Best for: Cutting-edge optimization

Pros:

• 50% smaller than JPG
• Superior compression
• HDR support

Cons:

• Limited browser support
• Slow encoding

Our Recommendation

| Use Case | Format | |----------|--------| | Photos | WebP (JPG fallback) | | Logos/Icons | SVG or PNG | | Transparency | WebP or PNG | | Maximum Compatibility | JPG |

How to Convert

Use our image converters to easily convert between formats. All processing happens in your browser for maximum privacy.