How do I compress an image online?

Drop a JPG, PNG, or WebP on this compressor, keep or pick a format, compress, and download if the file is smaller. Nothing is uploaded to RootoverZero for this step.

Will width and height change?

No. If you need new pixels, use the resizer.

Why did my file get bigger?

The source was already tight, or PNG is the wrong fit for a photograph. Keep the original.

Can I hit a 2 MB limit without ruining the photo?

Often yes: resize to the pixels you actually need, then compress once. The long guide covers the honest order of operations.

No. Processing stays in the browser.

Should logos stay PNG?

Yes if you need sharp type or transparency. Photographs usually should not stay huge PNGs.

Free Image Compressor

Upload an image, pick a format, compare file size, and download it. Dimensions stay the same. Processing stays in the browser.

Supported formats are JPG, PNG, and WebP. Width and height do not change. Encoding stays visually lossless. Nothing is uploaded to RootoverZero servers. Guide: use this when the pixel size is already right; photographs usually shrink as WebP or JPG; keep PNG for logos with transparency. Full article: How to compress an image without losing quality. To change width and height, use the Free Image Resizer. To trim the frame without scaling, use the Free Image Cropper.