WebP is an image format developed by Google specifically for the web. It uses advanced compression technology that produces images 25–35% smaller than equivalent JPEG files at the same visual quality, and up to 50% smaller than PNG for images with transparency. That means faster page load times, lower bandwidth usage, better scores on Google’s Core Web Vitals, and improved SEO performance — all from switching the format of your images.

Why web developers and site owners convert to WebP:

Google’s PageSpeed Insights and Lighthouse tools both flag large image files as a primary cause of poor performance scores. One of the most common recommendations in these audits is “Serve images in next-gen formats” — WebP is the format they’re recommending. Converting your existing JPG and PNG images to WebP before uploading them to your website is the most direct way to act on this recommendation.

WordPress sites in particular benefit significantly from WebP conversion. Product images on WooCommerce stores, blog post featured images, gallery photos, and hero images are frequently the largest files on any page. Converting them to WebP and re-uploading reduces the data that visitors need to download, which directly reduces your page load time and improves your Google ranking scores.

WebP vs JPEG — when does the size difference matter:

For a single image, saving 30% of the file size might mean going from 150 KB to 105 KB — a small saving. But for a website that serves thousands of images to tens of thousands of visitors daily, that 30% saving across all images represents a meaningful reduction in bandwidth costs and a measurable improvement in how quickly pages load for users on slower mobile connections. In India, where a large proportion of internet users browse on mobile networks with variable speeds, faster-loading pages see noticeably lower bounce rates.

WebP transparency support:

WebP supports transparency, just like PNG. This means you can convert a PNG logo with a transparent background to WebP and maintain the transparency — the file will be significantly smaller than the PNG version while looking identical. For websites using transparent logos, icons, and design elements, converting PNG to WebP is a straight improvement with no downside for modern browsers.

Browser support:

WebP is supported by all modern browsers — Chrome, Firefox, Edge, Safari (since version 14), and Opera. On mobile, it’s supported by all current versions of Chrome for Android and Safari for iOS. If you’re serving a general audience in 2025 and beyond, WebP is safe to use as your primary image format.

Converting PNG to WebP vs JPG to WebP:

Both conversions work well. JPG to WebP produces a lossy WebP output — the same type of compression as JPEG, but more efficient. PNG to WebP can produce either lossless WebP (same quality as PNG, but smaller) or lossy WebP (smaller still, with slight quality reduction). For photographs, lossy WebP is the best balance of size and quality. For logos, icons, and graphics, lossless WebP gives you the smallest file that looks identical to the original PNG.

How to Convert JPG to WebP Online — Step by Step

Step 1 — Upload your images Drag and drop your JPG, PNG, GIF, or BMP images onto the tool, or click Browse Images. Multiple images are supported — upload an entire batch at once.

Step 2 — Adjust quality Use the WebP Quality slider to set the compression level. Higher values (80–95%) give sharper images with larger file sizes. Lower values (50–70%) give smaller files with some quality reduction. The default setting of 80% is a good starting point for most web images.

Step 3 — Review the results Each image shows its original size, converted WebP size, and the percentage reduction. If the WebP file is larger than the original (which can happen with very small or highly optimised source files), try lowering the quality slider.

Step 4 — Download Click Download on any individual image card to save it as a .webp file. Or use Download ZIP to save all converted images in one archive.

Frequently Asked Questions (FAQ)

WebP produces files 25–35% smaller than JPEG at the same visual quality. For websites, this directly improves page load speed and Google PageSpeed scores. It’s the format Google recommends for web images.

Yes. WebP supports transparency just like PNG. Converting a transparent PNG to WebP maintains the transparent background while reducing the file size.

At quality settings of 80–90%, the visual difference between a JPEG and its WebP equivalent is not visible to the naked eye. WebP achieves the same apparent quality at a smaller file size.

All modern browsers — Chrome, Firefox, Edge, Safari 14+, and Opera — support WebP. For websites targeting current audiences, WebP is safe to use as the primary image format.

Upload multiple files at once, set your quality preference, and convert. All files are processed together and can be downloaded as a ZIP archive.

Yes. GIF files can be converted to WebP using this tool. Animated GIFs convert to animated WebP, which is supported by Chrome and Firefox and produces significantly smaller file sizes than GIF.