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Understanding Image Formats

Digital images come in many formats, each optimized for different use cases. JPEG is the most common format for photographs, using lossy compression to achieve small file sizes. PNG supports lossless compression and transparency, making it ideal for graphics and screenshots. WebP is a modern format by Google that offers superior compression for both lossy and lossless images.

SVG (Scalable Vector Graphics) is unique among image formats — it uses XML to describe vector shapes rather than pixels, meaning it scales to any size without quality loss. GIF supports animation and is widely used for short clips on the web. Newer formats like AVIF offer even better compression ratios than JPEG and PNG.

Understanding image properties like resolution, aspect ratio, and color depth helps you choose the right format for your needs. A higher resolution image contains more detail but results in a larger file size. Our viewer helps you inspect these properties quickly and privately right in your browser.

• JPEG: Best for photographs, small file sizes, lossy compression
• PNG: Supports transparency, lossless compression, ideal for graphics
• WebP: Modern format with superior compression, supported by most browsers
• SVG: Vector format that scales infinitely without quality loss
• GIF: Supports animation, limited to 256 colors
• AVIF: Next-gen format with best compression ratios available today