Compress an Image for the Web
Images are usually the heaviest thing on a web page, and oversized files are the number-one cause of slow load times and poor Core Web Vitals. Compressing (and ideally converting to WebP) trims that weight so your pages load fast, rank better and feel snappier — without a visible drop in quality.
Free · No upload · Runs in your browser
Drop your image, set quality near 80%, and consider converting to WebP.
Drop images here
or click to choose · batch supported · compressed right in your browser
Output format
Compression mode
Quality75%
Why convert image to web-optimized size?
- Faster pages and better Core Web Vitals (LCP), which Google factors into ranking.
- Lower bandwidth costs and quicker first paint.
- WebP plus compression gives the smallest files at the same quality.
- Better experience on mobile and slow connections.
How to convert image to web-optimized size
- 1Drop your image into the compressor below.
- 2Reduce quality to around 80% — the web sweet spot for photos.
- 3For maximum savings, also convert to WebP using the image converter.
- 4Download and ship the optimized image.
Frequently asked questions
What's the best image quality for the web?+
Around 80% for photos balances size and clarity. Convert to WebP for the smallest files at that quality.
Does image size really affect SEO?+
Yes — page speed and Core Web Vitals are ranking signals, and images are usually the biggest weight on a page.
Related conversions
Need more than image → web-optimized size?
The full Compress Image handles batches, resizing and more — all free and in your browser.