Lucide is an open-source project from Feather Icons. It is totally free for commercial use and personally use. Lucide has 820+ outline icons nowly. These default size of icons are 24px and 2px stroke. You can try click the customized bottom and adjust to the largest size: 64px, 3px stroke. Also you can use the software like Adobe Illustrator, Figma…anyway, you can edit these downloaded SVG files. 

 *Please check the ‘License’ page to note permission if you would like use for business purpose, just like the bottom picture of this sharing.