Lossy compression (the one on the right above) creates images that are approximately the same as the original: but because of the compression, the size is smaller (and quality sometimes suffers - although in this case, it’s barely noticeable). Do not convert it to a lossy file format (like JPG or GIF) first.
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As a result, the final file will end up even larger than if you had converted it directly from the original PNG file! Pro tip: if your original image is a lossless file format (like PNG, BMP, or Raw), convert it straight to a WebP image. When you reverse the process and try to convert the lossy JPG back to a lossless file format (like WebP), the algorithm will strip out unnecessary metadata (good) - but it will also encode each artifact it finds to reproduce it pixel-perfect (bad), often resulting in a file size increase, but no visual benefits. During this compression process, the converter adds what is known as artifacts. This is because my original image was actually a lossless PNG file, which I then converted and ran through an image compressor to produce a smaller JPG file. So you’re probably wondering why the lossless WebP image is actually bigger than the original JPG. (Above photos too small to see the difference? If you want to see the 80% lossy WebP image live in action, head on over to my website.) WebP at 80% lossy: 156 KB (56% of the original size).WebP at 100% lossless: 451 KB (yes, this is higher - more on why below!).When I ran my JPG image through the WebP converter, I got the following results: Google claims that a WebP lossless image is 26% smaller than its PNG equivalent, and that a WebP lossy image is 25–34% smaller than its JPG equivalent (as of Feb.
Html .webp converter android#
But it’s not just Google that is using WebP: Pinterest, Facebook (on Android devices), and YouTube’s thumbnails all use WebP images, as well as other big players. It was introduced in 2010, and is currently being developed and supported by Google. WebP is an image format that provides lossless and lossy compression for images on the Internet using predictive coding to encode an image. And best of all, with less than 0.1% of websites optimising their images with WebP (more on why later), you can gain a real advantage over your competitors.
That means that every second your website fails to load, a potential customer or client is dropping off.įortunately, there is still some good news left: the WebP file format can compress your images to a size even smaller than a JPG file, with almost no reduction in quality, making your website load more than twice as fast. That same report found that 53% of visitors will leave a webpage on mobile if it takes longer than three seconds to load. A report published by Google found that 70% of the pages they analysed took more than 10 seconds to load - for just one page.
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By Carmen Chung How to make your website load lightning fast with WebP imagesĮver felt like your website takes forever to load?
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