About this image compressor
Oversized images are the most common reason a web page feels slow. A photo straight off a phone camera can weigh 4 to 8 MB, far more than any page needs. Compress it before uploading it to a website, a marketplace listing, or an email, and the loading time drops sharply while the picture looks the same.
This tool does all of that on your device. It accepts every popular format your browser can decode: PNG, JPG, WebP, GIF, BMP, AVIF, even SVG. When you pick a file, the image gets drawn onto a canvas right in your browser and re-encoded on the spot.
Nothing is uploaded. No server ever sees your image, and closing the tab removes every trace. That design has a nice side effect too: compression works fine on a slow or unstable connection, because there’s no round trip to wait for.
Should you pick JPEG or WebP?
Pick JPEG when you need a file that opens everywhere, since every browser, app, and device can read it. Pick WebP when the image is headed for a modern website. At the same visual quality, it usually comes out 25 to 35 percent smaller than JPEG.
Both formats here are lossy, and the quality slider controls the trade-off. For photos, 70 to 85 percent is the sweet spot. File size falls fast while the artifacts stay invisible at normal viewing size.
What file sizes should you aim for?
Keep a full-width hero image under 300 KB. Product photos and blog images sit comfortably under 150 KB, and avatars or thumbnails under 50 KB.
Still heavier than that at 80 percent quality? The image probably has more pixels than it needs. Resize it first, then compress. That’s where the biggest savings live.
One caveat: screenshots with sharp text and flat colors tend to look smudged as JPEG. For those, WebP at high quality usually gives the cleanest result.
If you are unsure how wide an image should be, start with our image resolution guide. Photos can also carry location and camera details, so check what EXIF data reveals before sharing an original file.