Just upload any SVG file or paste its code, and you’ll get many tools to optimize and simplify your original shape to gain the extra Octet or Ko.
Note that it worth a lot for complex SVG, but if your SVG comes from a famous icon supplier or similar, you won’t improve much as they already did it.
Also useful to inspect suspicious SVG, as it can contain a bit of anything but shapes and colors.
Free, No Download/Install required, No registration