Image Format Comparison: JPEG, PNG, WebP and AVIF
Which image format should you use? A side-by-side comparison of JPEG, PNG, WebP, AVIF, and SVG for every use case.
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Tags: image, formats, comparison
PNG vs JPEG vs WebP vs AVIF: Image Format Comparison 2025 Choosing the wrong image format is one of the most common performance mistakes on the web. A JPEG where a WebP should be, a PNG where a JPEG would do, or an AVIF with a broken fallback — these decisions compound across hundreds of assets. This guide cuts through the noise with a direct comparison of the four formats you will encounter most in 2025. Format Overview JPEG (Joint Photographic Experts Group) Released in 1992, JPEG remains the most widely used image format on the web. It uses lossy compression optimised for photographs — the algorithm discards colour data that the human eye is less sensitive to. Quality degrades on every re-save. PNG (Portable Network Graphics) Released in 1996 as a lossless alternative to GIF. Every…
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