The best way to compress images without losing quality

Large, uncompressed images are one of the most common reasons a website feels slow. A photo straight off a modern phone camera can easily be 4–8 MB — far more than a web page needs, since it will usually be displayed at a fraction of that resolution.

Tool King's Image Compressor re-encodes your image with a quality setting you control, rather than a fixed one-size-fits-all preset. Upload a JPG, PNG or WebP file, adjust the quality slider, and convert — you'll see the resulting file size before you download it.

As a starting point, 70–80% quality is a good balance for photos: the compression is visible under close inspection but not to a normal viewer, and file size typically drops by more than half compared to the original. Go lower (40–60%) for thumbnails or background images where sharpness matters less, and stay higher (85%+) for images where fine detail matters, like product photography.

One thing compression doesn't do is resize the image — if your photo is also larger than it needs to be in pixel dimensions, pair this with the Image Resizer for the biggest size reduction.