Reduce Core Web Vitals image issues

Compress a single JPG/JPEG, PNG, or WEBP image to a smaller file size and improve your Core Web Vitals scores.

Privacy note: your image is processed in your browser and is not uploaded to our backend.

Upload your image, set your target size in KB, and compress it instantly. Choose your file:




Your image will be compressed as close to your chosen size as possible while keeping the best quality achievable at that size.

What Are Core Web Vitals Image Issues?

Core Web Vitals are a set of metrics Google uses to measure real-world user experience on web pages. Oversized images are one of the most common causes of poor scores, especially for Largest Contentful Paint (LCP), which measures how quickly the main content of a page loads. When images are too large, the browser takes longer to download and render them, pushing LCP times well beyond the recommended 2.5-second threshold. This compressor lets you shrink images to a specific file size so they load faster and help your pages pass Core Web Vitals assessments.

Why You Should Fix Image Size for Core Web Vitals

Google uses Core Web Vitals as a ranking signal, so pages that fail these checks can lose search visibility compared to faster competitors. Beyond SEO, slow-loading images directly hurt user experience: visitors on mobile connections may abandon a page that takes too long to render, and cumulative layout shifts from late-loading images frustrate users who are already reading. Compressing images before uploading them to your site is one of the simplest and highest-impact optimizations you can make to improve both your performance scores and your visitors' experience.

Use Cases for Core Web Vitals Image Compression

This tool is useful for compressing hero images and above-the-fold banners that directly affect LCP, shrinking product images on e-commerce pages, optimizing blog post featured images, reducing background images used in CSS, and preparing any image asset that PageSpeed Insights or Lighthouse flags as too large. Because the target size is adjustable, you can match the exact file size budget your performance audit recommends without needing a separate tool for each threshold.


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