These are the best websites for finding free icons to use for websites that I know of. You will find all sorts of icons at these sites and many are available for comercial use without a link back.
We are affiliated with the listed tools and earn commissions for referring customers.
Iconfinder is a librabry of both free and premium icons. It features over 5.3 million SVG and PNG icons at the time of writing this. 310,000+ of these are free.
I've used this website for years. One of my favorite features of Iconfinder is that I can filter the icons by "free for commercial use" and "no link back required" which makes the icons usable for most projects.
You can use this site to find non-free icons as well. Choose to prepay and pay as you go ($2/icon) or go for a subscription starting at $4.5/mo.
You can also discover amazing icon designers here and have them design custom icons for your websites.Visit Iconfinder
Heroicons is websites featureing 220+ free hand-cradted SVG icons. The designs are really simple and minimal.
All of the icons on this website is licensed with the MIT llicense which makes them free for most usage, including commercial uses.
You don't have to link back to the website or anything like that when using any of these icons.Visit Heroicons