Drop images here or click to choose — JPG, PNG, WebP. Multiple files supported.
Free Image Compressor — Shrink JPG, PNG & WebP in Your Browser
Drop in any number of images and get them back dramatically smaller, usually with no visible loss of quality. Adjust the quality and width sliders and every image re-compresses automatically, showing exact before-and-after sizes. Nothing is uploaded — compression happens entirely in your browser.
Why image size is the fastest SEO win available
Images are usually the heaviest part of a page, and page weight drives load time directly. Google’s Core Web Vitals treat Largest Contentful Paint as a ranking signal, and on most pages the largest element is an image. Cutting a 4 MB photo to 300 KB can remove seconds from mobile load time — improving rankings and bounce rate without touching any code.
Choosing the right settings
- Quality 75–85% suits photographs. Most people cannot see the difference, but files shrink 60–80%.
- Quality 50–65% is fine for thumbnails and background images.
- Max width 1920px for hero images, 1200px for blog body images, 600px for thumbnails.
- Resize before compressing. Reducing dimensions saves far more than quality alone, which is why this tool does both in one pass.
A note on transparency
Output is JPEG, which has no transparency — transparent areas become white. That is the right trade for photos and screenshots. If you need to preserve a transparent background, keep the original PNG instead.
Also useful: our QR Code Generator and Word Counter, or read our tool reviews.